Home / 22,504.13-31,055.33-12,432.99

Finding the Fourth Proportional to 22,504.13, 31,055.33 and 12,432.99

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Solution

The fourth proportional to 22,504.13, 31,055.33 and 12,432.99 is: 17,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.13 : 31,055.33 = 12,432.99 : x
  2. Step 2: Convert to fraction form
    22,504.13/31,055.33 = 12,432.99/x
  3. Step 3: Cross multiply
    22,504.13x = 31,055.33 × 12,432.99
  4. Step 4: Simplify right side
    22,504.13x = 386,110,545.17
  5. Step 5: Solve for x
    x = 386,110,545.17/22,504.13
  6. Step 6: Final answer
    x = 17,157.32

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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.