Home / 22,630.29-31,233.53-12,561.95

Finding the Fourth Proportional to 22,630.29, 31,233.53 and 12,561.95

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Solution

The fourth proportional to 22,630.29, 31,233.53 and 12,561.95 is: 17,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.29 : 31,233.53 = 12,561.95 : x
  2. Step 2: Convert to fraction form
    22,630.29/31,233.53 = 12,561.95/x
  3. Step 3: Cross multiply
    22,630.29x = 31,233.53 × 12,561.95
  4. Step 4: Simplify right side
    22,630.29x = 392,354,151.67
  5. Step 5: Solve for x
    x = 392,354,151.67/22,630.29
  6. Step 6: Final answer
    x = 17,337.57

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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.