Home / 14,116.26-19,480.20-7,743

Finding the Fourth Proportional to 14,116.26, 19,480.20 and 7,743

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Solution

The fourth proportional to 14,116.26, 19,480.20 and 7,743 is: 10,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.26 : 19,480.20 = 7,743 : x
  2. Step 2: Convert to fraction form
    14,116.26/19,480.20 = 7,743/x
  3. Step 3: Cross multiply
    14,116.26x = 19,480.20 × 7,743
  4. Step 4: Simplify right side
    14,116.26x = 150,835,188.60
  5. Step 5: Solve for x
    x = 150,835,188.60/14,116.26
  6. Step 6: Final answer
    x = 10,685.21

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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.