Home / 14,945.28-20,625.68-8,572.48

Finding the Fourth Proportional to 14,945.28, 20,625.68 and 8,572.48

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Solution

The fourth proportional to 14,945.28, 20,625.68 and 8,572.48 is: 11,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.28 : 20,625.68 = 8,572.48 : x
  2. Step 2: Convert to fraction form
    14,945.28/20,625.68 = 8,572.48/x
  3. Step 3: Cross multiply
    14,945.28x = 20,625.68 × 8,572.48
  4. Step 4: Simplify right side
    14,945.28x = 176,813,229.29
  5. Step 5: Solve for x
    x = 176,813,229.29/14,945.28
  6. Step 6: Final answer
    x = 11,830.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.