Home / 16,371.79-22,589.13-9,561.95

Finding the Fourth Proportional to 16,371.79, 22,589.13 and 9,561.95

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Solution

The fourth proportional to 16,371.79, 22,589.13 and 9,561.95 is: 13,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.79 : 22,589.13 = 9,561.95 : x
  2. Step 2: Convert to fraction form
    16,371.79/22,589.13 = 9,561.95/x
  3. Step 3: Cross multiply
    16,371.79x = 22,589.13 × 9,561.95
  4. Step 4: Simplify right side
    16,371.79x = 215,996,131.60
  5. Step 5: Solve for x
    x = 215,996,131.60/16,371.79
  6. Step 6: Final answer
    x = 13,193.19

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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.