Home / 16,470.03-22,728.68-8,916.45

Finding the Fourth Proportional to 16,470.03, 22,728.68 and 8,916.45

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Solution

The fourth proportional to 16,470.03, 22,728.68 and 8,916.45 is: 12,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470.03 : 22,728.68 = 8,916.45 : x
  2. Step 2: Convert to fraction form
    16,470.03/22,728.68 = 8,916.45/x
  3. Step 3: Cross multiply
    16,470.03x = 22,728.68 × 8,916.45
  4. Step 4: Simplify right side
    16,470.03x = 202,659,092.56
  5. Step 5: Solve for x
    x = 202,659,092.56/16,470.03
  6. Step 6: Final answer
    x = 12,304.72

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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.