Home / 17,768.28-26,658.90-10,371.36

Finding the Fourth Proportional to 17,768.28, 26,658.90 and 10,371.36

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Solution

The fourth proportional to 17,768.28, 26,658.90 and 10,371.36 is: 15,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.28 : 26,658.90 = 10,371.36 : x
  2. Step 2: Convert to fraction form
    17,768.28/26,658.90 = 10,371.36/x
  3. Step 3: Cross multiply
    17,768.28x = 26,658.90 × 10,371.36
  4. Step 4: Simplify right side
    17,768.28x = 276,489,049.10
  5. Step 5: Solve for x
    x = 276,489,049.10/17,768.28
  6. Step 6: Final answer
    x = 15,560.82

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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.