Home / 16,182.08-22,331.28-9,108.66

Finding the Fourth Proportional to 16,182.08, 22,331.28 and 9,108.66

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Solution

The fourth proportional to 16,182.08, 22,331.28 and 9,108.66 is: 12,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,182.08 : 22,331.28 = 9,108.66 : x
  2. Step 2: Convert to fraction form
    16,182.08/22,331.28 = 9,108.66/x
  3. Step 3: Cross multiply
    16,182.08x = 22,331.28 × 9,108.66
  4. Step 4: Simplify right side
    16,182.08x = 203,408,036.88
  5. Step 5: Solve for x
    x = 203,408,036.88/16,182.08
  6. Step 6: Final answer
    x = 12,569.96

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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.