Home / 16,304.92-22,500.80-9,231.36

Finding the Fourth Proportional to 16,304.92, 22,500.80 and 9,231.36

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Solution

The fourth proportional to 16,304.92, 22,500.80 and 9,231.36 is: 12,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,304.92 : 22,500.80 = 9,231.36 : x
  2. Step 2: Convert to fraction form
    16,304.92/22,500.80 = 9,231.36/x
  3. Step 3: Cross multiply
    16,304.92x = 22,500.80 × 9,231.36
  4. Step 4: Simplify right side
    16,304.92x = 207,712,985.09
  5. Step 5: Solve for x
    x = 207,712,985.09/16,304.92
  6. Step 6: Final answer
    x = 12,739.28

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1.5x scale

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.