Home / 19,142.49-26,429.49-14,658.23

Finding the Fourth Proportional to 19,142.49, 26,429.49 and 14,658.23

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Solution

The fourth proportional to 19,142.49, 26,429.49 and 14,658.23 is: 20,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.49 : 26,429.49 = 14,658.23 : x
  2. Step 2: Convert to fraction form
    19,142.49/26,429.49 = 14,658.23/x
  3. Step 3: Cross multiply
    19,142.49x = 26,429.49 × 14,658.23
  4. Step 4: Simplify right side
    19,142.49x = 387,409,609.28
  5. Step 5: Solve for x
    x = 387,409,609.28/19,142.49
  6. Step 6: Final answer
    x = 20,238.20

Related Problems

Find fourth proportional to 9,571.25, 13,214.75 and 7,329.12
Half scale
Find fourth proportional to 38,284.99, 52,858.98 and 29,316.47
Double scale
Find fourth proportional to 19,143.49, 26,430.87 and 14,659.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.