Home / 16,205.38-22,363.48-9,131.92

Finding the Fourth Proportional to 16,205.38, 22,363.48 and 9,131.92

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Solution

The fourth proportional to 16,205.38, 22,363.48 and 9,131.92 is: 12,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.38 : 22,363.48 = 9,131.92 : x
  2. Step 2: Convert to fraction form
    16,205.38/22,363.48 = 9,131.92/x
  3. Step 3: Cross multiply
    16,205.38x = 22,363.48 × 9,131.92
  4. Step 4: Simplify right side
    16,205.38x = 204,221,510.28
  5. Step 5: Solve for x
    x = 204,221,510.28/16,205.38
  6. Step 6: Final answer
    x = 12,602.08

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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.