Home / 22,125.52-30,532.98-12,695.56

Finding the Fourth Proportional to 22,125.52, 30,532.98 and 12,695.56

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Solution

The fourth proportional to 22,125.52, 30,532.98 and 12,695.56 is: 17,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.52 : 30,532.98 = 12,695.56 : x
  2. Step 2: Convert to fraction form
    22,125.52/30,532.98 = 12,695.56/x
  3. Step 3: Cross multiply
    22,125.52x = 30,532.98 × 12,695.56
  4. Step 4: Simplify right side
    22,125.52x = 387,633,279.57
  5. Step 5: Solve for x
    x = 387,633,279.57/22,125.52
  6. Step 6: Final answer
    x = 17,519.74

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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.