Home / 15,472.62-23,215.26-5,612.94

Finding the Fourth Proportional to 15,472.62, 23,215.26 and 5,612.94

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Solution

The fourth proportional to 15,472.62, 23,215.26 and 5,612.94 is: 8,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.62 : 23,215.26 = 5,612.94 : x
  2. Step 2: Convert to fraction form
    15,472.62/23,215.26 = 5,612.94/x
  3. Step 3: Cross multiply
    15,472.62x = 23,215.26 × 5,612.94
  4. Step 4: Simplify right side
    15,472.62x = 130,305,861.46
  5. Step 5: Solve for x
    x = 130,305,861.46/15,472.62
  6. Step 6: Final answer
    x = 8,421.71

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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.