Home / 22,592.77-31,177.57-12,520.99

Finding the Fourth Proportional to 22,592.77, 31,177.57 and 12,520.99

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Solution

The fourth proportional to 22,592.77, 31,177.57 and 12,520.99 is: 17,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,592.77 : 31,177.57 = 12,520.99 : x
  2. Step 2: Convert to fraction form
    22,592.77/31,177.57 = 12,520.99/x
  3. Step 3: Cross multiply
    22,592.77x = 31,177.57 × 12,520.99
  4. Step 4: Simplify right side
    22,592.77x = 390,374,042.19
  5. Step 5: Solve for x
    x = 390,374,042.19/22,592.77
  6. Step 6: Final answer
    x = 17,278.72

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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.