Home / 15,493.46-23,227.12-6,721.78

Finding the Fourth Proportional to 15,493.46, 23,227.12 and 6,721.78

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Solution

The fourth proportional to 15,493.46, 23,227.12 and 6,721.78 is: 10,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.46 : 23,227.12 = 6,721.78 : x
  2. Step 2: Convert to fraction form
    15,493.46/23,227.12 = 6,721.78/x
  3. Step 3: Cross multiply
    15,493.46x = 23,227.12 × 6,721.78
  4. Step 4: Simplify right side
    15,493.46x = 156,127,590.67
  5. Step 5: Solve for x
    x = 156,127,590.67/15,493.46
  6. Step 6: Final answer
    x = 10,077.00

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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.