Home / 15,768.77-23,660.13-8,371.44

Finding the Fourth Proportional to 15,768.77, 23,660.13 and 8,371.44

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Solution

The fourth proportional to 15,768.77, 23,660.13 and 8,371.44 is: 12,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.77 : 23,660.13 = 8,371.44 : x
  2. Step 2: Convert to fraction form
    15,768.77/23,660.13 = 8,371.44/x
  3. Step 3: Cross multiply
    15,768.77x = 23,660.13 × 8,371.44
  4. Step 4: Simplify right side
    15,768.77x = 198,069,358.69
  5. Step 5: Solve for x
    x = 198,069,358.69/15,768.77
  6. Step 6: Final answer
    x = 12,560.87

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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.