Home / 23,126.46-31,881.14-15,154.85

Finding the Fourth Proportional to 23,126.46, 31,881.14 and 15,154.85

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Solution

The fourth proportional to 23,126.46, 31,881.14 and 15,154.85 is: 20,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.46 : 31,881.14 = 15,154.85 : x
  2. Step 2: Convert to fraction form
    23,126.46/31,881.14 = 15,154.85/x
  3. Step 3: Cross multiply
    23,126.46x = 31,881.14 × 15,154.85
  4. Step 4: Simplify right side
    23,126.46x = 483,153,861.20
  5. Step 5: Solve for x
    x = 483,153,861.20/23,126.46
  6. Step 6: Final answer
    x = 20,891.82

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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.