Home / 16,040.16-22,135.91-9,326.70

Finding the Fourth Proportional to 16,040.16, 22,135.91 and 9,326.70

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Solution

The fourth proportional to 16,040.16, 22,135.91 and 9,326.70 is: 12,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.16 : 22,135.91 = 9,326.70 : x
  2. Step 2: Convert to fraction form
    16,040.16/22,135.91 = 9,326.70/x
  3. Step 3: Cross multiply
    16,040.16x = 22,135.91 × 9,326.70
  4. Step 4: Simplify right side
    16,040.16x = 206,454,945.16
  5. Step 5: Solve for x
    x = 206,454,945.16/16,040.16
  6. Step 6: Final answer
    x = 12,871.13

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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.