Home / 19,346.36-29,014.83-14,142.68

Finding the Fourth Proportional to 19,346.36, 29,014.83 and 14,142.68

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Solution

The fourth proportional to 19,346.36, 29,014.83 and 14,142.68 is: 21,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.36 : 29,014.83 = 14,142.68 : x
  2. Step 2: Convert to fraction form
    19,346.36/29,014.83 = 14,142.68/x
  3. Step 3: Cross multiply
    19,346.36x = 29,014.83 × 14,142.68
  4. Step 4: Simplify right side
    19,346.36x = 410,347,310.87
  5. Step 5: Solve for x
    x = 410,347,310.87/19,346.36
  6. Step 6: Final answer
    x = 21,210.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.