Home / 23,108.12-31,874.52-15,150.86

Finding the Fourth Proportional to 23,108.12, 31,874.52 and 15,150.86

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Solution

The fourth proportional to 23,108.12, 31,874.52 and 15,150.86 is: 20,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.12 : 31,874.52 = 15,150.86 : x
  2. Step 2: Convert to fraction form
    23,108.12/31,874.52 = 15,150.86/x
  3. Step 3: Cross multiply
    23,108.12x = 31,874.52 × 15,150.86
  4. Step 4: Simplify right side
    23,108.12x = 482,926,230.71
  5. Step 5: Solve for x
    x = 482,926,230.71/23,108.12
  6. Step 6: Final answer
    x = 20,898.56

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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.