Home / 21,704.60-32,534.54-9,866.61

Finding the Fourth Proportional to 21,704.60, 32,534.54 and 9,866.61

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Solution

The fourth proportional to 21,704.60, 32,534.54 and 9,866.61 is: 14,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.60 : 32,534.54 = 9,866.61 : x
  2. Step 2: Convert to fraction form
    21,704.60/32,534.54 = 9,866.61/x
  3. Step 3: Cross multiply
    21,704.60x = 32,534.54 × 9,866.61
  4. Step 4: Simplify right side
    21,704.60x = 321,005,568.38
  5. Step 5: Solve for x
    x = 321,005,568.38/21,704.60
  6. Step 6: Final answer
    x = 14,789.75

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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.