Home / 16,652.78-24,988.61-6,121.43

Finding the Fourth Proportional to 16,652.78, 24,988.61 and 6,121.43

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Solution

The fourth proportional to 16,652.78, 24,988.61 and 6,121.43 is: 9,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,652.78 : 24,988.61 = 6,121.43 : x
  2. Step 2: Convert to fraction form
    16,652.78/24,988.61 = 6,121.43/x
  3. Step 3: Cross multiply
    16,652.78x = 24,988.61 × 6,121.43
  4. Step 4: Simplify right side
    16,652.78x = 152,966,026.91
  5. Step 5: Solve for x
    x = 152,966,026.91/16,652.78
  6. Step 6: Final answer
    x = 9,185.62

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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.