Home / 22,866.57-31,545.86-13,430.88

Finding the Fourth Proportional to 22,866.57, 31,545.86 and 13,430.88

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Solution

The fourth proportional to 22,866.57, 31,545.86 and 13,430.88 is: 18,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.57 : 31,545.86 = 13,430.88 : x
  2. Step 2: Convert to fraction form
    22,866.57/31,545.86 = 13,430.88/x
  3. Step 3: Cross multiply
    22,866.57x = 31,545.86 × 13,430.88
  4. Step 4: Simplify right side
    22,866.57x = 423,688,593.00
  5. Step 5: Solve for x
    x = 423,688,593.00/22,866.57
  6. Step 6: Final answer
    x = 18,528.73

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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.