Home / 15,098.78-22,640.85-6,331.34

Finding the Fourth Proportional to 15,098.78, 22,640.85 and 6,331.34

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Solution

The fourth proportional to 15,098.78, 22,640.85 and 6,331.34 is: 9,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.78 : 22,640.85 = 6,331.34 : x
  2. Step 2: Convert to fraction form
    15,098.78/22,640.85 = 6,331.34/x
  3. Step 3: Cross multiply
    15,098.78x = 22,640.85 × 6,331.34
  4. Step 4: Simplify right side
    15,098.78x = 143,346,919.24
  5. Step 5: Solve for x
    x = 143,346,919.24/15,098.78
  6. Step 6: Final answer
    x = 9,493.94

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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.