Home / 14,920.20-22,371.78-6,144.66

Finding the Fourth Proportional to 14,920.20, 22,371.78 and 6,144.66

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Solution

The fourth proportional to 14,920.20, 22,371.78 and 6,144.66 is: 9,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.20 : 22,371.78 = 6,144.66 : x
  2. Step 2: Convert to fraction form
    14,920.20/22,371.78 = 6,144.66/x
  3. Step 3: Cross multiply
    14,920.20x = 22,371.78 × 6,144.66
  4. Step 4: Simplify right side
    14,920.20x = 137,466,981.69
  5. Step 5: Solve for x
    x = 137,466,981.69/14,920.20
  6. Step 6: Final answer
    x = 9,213.48

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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.