Home / 19,560.08-29,340.20-13,742.66

Finding the Fourth Proportional to 19,560.08, 29,340.20 and 13,742.66

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Solution

The fourth proportional to 19,560.08, 29,340.20 and 13,742.66 is: 20,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.08 : 29,340.20 = 13,742.66 : x
  2. Step 2: Convert to fraction form
    19,560.08/29,340.20 = 13,742.66/x
  3. Step 3: Cross multiply
    19,560.08x = 29,340.20 × 13,742.66
  4. Step 4: Simplify right side
    19,560.08x = 403,212,397.57
  5. Step 5: Solve for x
    x = 403,212,397.57/19,560.08
  6. Step 6: Final answer
    x = 20,614.04

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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.