Home / 16,040.18-22,132.28-8,965.23

Finding the Fourth Proportional to 16,040.18, 22,132.28 and 8,965.23

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Solution

The fourth proportional to 16,040.18, 22,132.28 and 8,965.23 is: 12,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.18 : 22,132.28 = 8,965.23 : x
  2. Step 2: Convert to fraction form
    16,040.18/22,132.28 = 8,965.23/x
  3. Step 3: Cross multiply
    16,040.18x = 22,132.28 × 8,965.23
  4. Step 4: Simplify right side
    16,040.18x = 198,420,935.80
  5. Step 5: Solve for x
    x = 198,420,935.80/16,040.18
  6. Step 6: Final answer
    x = 12,370.25

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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.