Home / 15,042.24-20,732.76-11,497.68

Finding the Fourth Proportional to 15,042.24, 20,732.76 and 11,497.68

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Solution

The fourth proportional to 15,042.24, 20,732.76 and 11,497.68 is: 15,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.24 : 20,732.76 = 11,497.68 : x
  2. Step 2: Convert to fraction form
    15,042.24/20,732.76 = 11,497.68/x
  3. Step 3: Cross multiply
    15,042.24x = 20,732.76 × 11,497.68
  4. Step 4: Simplify right side
    15,042.24x = 238,378,640.00
  5. Step 5: Solve for x
    x = 238,378,640.00/15,042.24
  6. Step 6: Final answer
    x = 15,847.28

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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.