Home / 19,932.16-29,898.60-8,237.20

Finding the Fourth Proportional to 19,932.16, 29,898.60 and 8,237.20

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Solution

The fourth proportional to 19,932.16, 29,898.60 and 8,237.20 is: 12,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.16 : 29,898.60 = 8,237.20 : x
  2. Step 2: Convert to fraction form
    19,932.16/29,898.60 = 8,237.20/x
  3. Step 3: Cross multiply
    19,932.16x = 29,898.60 × 8,237.20
  4. Step 4: Simplify right side
    19,932.16x = 246,280,747.92
  5. Step 5: Solve for x
    x = 246,280,747.92/19,932.16
  6. Step 6: Final answer
    x = 12,355.95

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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.