Home / 16,632.80-24,959.16-6,635.78

Finding the Fourth Proportional to 16,632.80, 24,959.16 and 6,635.78

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Solution

The fourth proportional to 16,632.80, 24,959.16 and 6,635.78 is: 9,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632.80 : 24,959.16 = 6,635.78 : x
  2. Step 2: Convert to fraction form
    16,632.80/24,959.16 = 6,635.78/x
  3. Step 3: Cross multiply
    16,632.80x = 24,959.16 × 6,635.78
  4. Step 4: Simplify right side
    16,632.80x = 165,623,494.74
  5. Step 5: Solve for x
    x = 165,623,494.74/16,632.80
  6. Step 6: Final answer
    x = 9,957.64

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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.