Home / 20,680.24-31,024.98-7,532.61

Finding the Fourth Proportional to 20,680.24, 31,024.98 and 7,532.61

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Solution

The fourth proportional to 20,680.24, 31,024.98 and 7,532.61 is: 11,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680.24 : 31,024.98 = 7,532.61 : x
  2. Step 2: Convert to fraction form
    20,680.24/31,024.98 = 7,532.61/x
  3. Step 3: Cross multiply
    20,680.24x = 31,024.98 × 7,532.61
  4. Step 4: Simplify right side
    20,680.24x = 233,699,036.93
  5. Step 5: Solve for x
    x = 233,699,036.93/20,680.24
  6. Step 6: Final answer
    x = 11,300.60

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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.