Home / 16,195.56-22,349.92-9,390.90

Finding the Fourth Proportional to 16,195.56, 22,349.92 and 9,390.90

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Solution

The fourth proportional to 16,195.56, 22,349.92 and 9,390.90 is: 12,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.56 : 22,349.92 = 9,390.90 : x
  2. Step 2: Convert to fraction form
    16,195.56/22,349.92 = 9,390.90/x
  3. Step 3: Cross multiply
    16,195.56x = 22,349.92 × 9,390.90
  4. Step 4: Simplify right side
    16,195.56x = 209,885,959.28
  5. Step 5: Solve for x
    x = 209,885,959.28/16,195.56
  6. Step 6: Final answer
    x = 12,959.48

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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.