Home / 22,866.03-31,545.86-13,906.35

Finding the Fourth Proportional to 22,866.03, 31,545.86 and 13,906.35

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Solution

The fourth proportional to 22,866.03, 31,545.86 and 13,906.35 is: 19,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.03 : 31,545.86 = 13,906.35 : x
  2. Step 2: Convert to fraction form
    22,866.03/31,545.86 = 13,906.35/x
  3. Step 3: Cross multiply
    22,866.03x = 31,545.86 × 13,906.35
  4. Step 4: Simplify right side
    22,866.03x = 438,687,700.68
  5. Step 5: Solve for x
    x = 438,687,700.68/22,866.03
  6. Step 6: Final answer
    x = 19,185.13

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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.