Home / 16,079.97-22,190.43-9,370.20

Finding the Fourth Proportional to 16,079.97, 22,190.43 and 9,370.20

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Solution

The fourth proportional to 16,079.97, 22,190.43 and 9,370.20 is: 12,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.97 : 22,190.43 = 9,370.20 : x
  2. Step 2: Convert to fraction form
    16,079.97/22,190.43 = 9,370.20/x
  3. Step 3: Cross multiply
    16,079.97x = 22,190.43 × 9,370.20
  4. Step 4: Simplify right side
    16,079.97x = 207,928,767.19
  5. Step 5: Solve for x
    x = 207,928,767.19/16,079.97
  6. Step 6: Final answer
    x = 12,930.92

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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.