Home / 16,358.80-22,589.17-15,829.82

Finding the Fourth Proportional to 16,358.80, 22,589.17 and 15,829.82

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Solution

The fourth proportional to 16,358.80, 22,589.17 and 15,829.82 is: 21,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.80 : 22,589.17 = 15,829.82 : x
  2. Step 2: Convert to fraction form
    16,358.80/22,589.17 = 15,829.82/x
  3. Step 3: Cross multiply
    16,358.80x = 22,589.17 × 15,829.82
  4. Step 4: Simplify right side
    16,358.80x = 357,582,506.78
  5. Step 5: Solve for x
    x = 357,582,506.78/16,358.80
  6. Step 6: Final answer
    x = 21,858.73

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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.