Home / 15,247.70-22,865.87-5,249.63

Finding the Fourth Proportional to 15,247.70, 22,865.87 and 5,249.63

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Solution

The fourth proportional to 15,247.70, 22,865.87 and 5,249.63 is: 7,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.70 : 22,865.87 = 5,249.63 : x
  2. Step 2: Convert to fraction form
    15,247.70/22,865.87 = 5,249.63/x
  3. Step 3: Cross multiply
    15,247.70x = 22,865.87 × 5,249.63
  4. Step 4: Simplify right side
    15,247.70x = 120,037,251.61
  5. Step 5: Solve for x
    x = 120,037,251.61/15,247.70
  6. Step 6: Final answer
    x = 7,872.48

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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.