Home / 16,876.40-25,319.29-7,387.02

Finding the Fourth Proportional to 16,876.40, 25,319.29 and 7,387.02

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Solution

The fourth proportional to 16,876.40, 25,319.29 and 7,387.02 is: 11,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.40 : 25,319.29 = 7,387.02 : x
  2. Step 2: Convert to fraction form
    16,876.40/25,319.29 = 7,387.02/x
  3. Step 3: Cross multiply
    16,876.40x = 25,319.29 × 7,387.02
  4. Step 4: Simplify right side
    16,876.40x = 187,034,101.62
  5. Step 5: Solve for x
    x = 187,034,101.62/16,876.40
  6. Step 6: Final answer
    x = 11,082.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.