Home / 22,522.70-31,078.95-12,449.52

Finding the Fourth Proportional to 22,522.70, 31,078.95 and 12,449.52

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Solution

The fourth proportional to 22,522.70, 31,078.95 and 12,449.52 is: 17,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.70 : 31,078.95 = 12,449.52 : x
  2. Step 2: Convert to fraction form
    22,522.70/31,078.95 = 12,449.52/x
  3. Step 3: Cross multiply
    22,522.70x = 31,078.95 × 12,449.52
  4. Step 4: Simplify right side
    22,522.70x = 386,917,901.80
  5. Step 5: Solve for x
    x = 386,917,901.80/22,522.70
  6. Step 6: Final answer
    x = 17,179.02

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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.