Home / 22,600.66-31,188.72-12,529.66

Finding the Fourth Proportional to 22,600.66, 31,188.72 and 12,529.66

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Solution

The fourth proportional to 22,600.66, 31,188.72 and 12,529.66 is: 17,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.66 : 31,188.72 = 12,529.66 : x
  2. Step 2: Convert to fraction form
    22,600.66/31,188.72 = 12,529.66/x
  3. Step 3: Cross multiply
    22,600.66x = 31,188.72 × 12,529.66
  4. Step 4: Simplify right side
    22,600.66x = 390,784,057.44
  5. Step 5: Solve for x
    x = 390,784,057.44/22,600.66
  6. Step 6: Final answer
    x = 17,290.83

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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.