Home / 15,220.62-22,831.20-5,859.72

Finding the Fourth Proportional to 15,220.62, 22,831.20 and 5,859.72

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Solution

The fourth proportional to 15,220.62, 22,831.20 and 5,859.72 is: 8,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.62 : 22,831.20 = 5,859.72 : x
  2. Step 2: Convert to fraction form
    15,220.62/22,831.20 = 5,859.72/x
  3. Step 3: Cross multiply
    15,220.62x = 22,831.20 × 5,859.72
  4. Step 4: Simplify right side
    15,220.62x = 133,784,439.26
  5. Step 5: Solve for x
    x = 133,784,439.26/15,220.62
  6. Step 6: Final answer
    x = 8,789.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.