Home / 15,487.91-23,231.10-4,814.18

Finding the Fourth Proportional to 15,487.91, 23,231.10 and 4,814.18

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Solution

The fourth proportional to 15,487.91, 23,231.10 and 4,814.18 is: 7,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.91 : 23,231.10 = 4,814.18 : x
  2. Step 2: Convert to fraction form
    15,487.91/23,231.10 = 4,814.18/x
  3. Step 3: Cross multiply
    15,487.91x = 23,231.10 × 4,814.18
  4. Step 4: Simplify right side
    15,487.91x = 111,838,816.69
  5. Step 5: Solve for x
    x = 111,838,816.69/15,487.91
  6. Step 6: Final answer
    x = 7,221.04

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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.