Home / 14,531.28-20,047.20-10,543.56

Finding the Fourth Proportional to 14,531.28, 20,047.20 and 10,543.56

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Solution

The fourth proportional to 14,531.28, 20,047.20 and 10,543.56 is: 14,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.28 : 20,047.20 = 10,543.56 : x
  2. Step 2: Convert to fraction form
    14,531.28/20,047.20 = 10,543.56/x
  3. Step 3: Cross multiply
    14,531.28x = 20,047.20 × 10,543.56
  4. Step 4: Simplify right side
    14,531.28x = 211,368,856.03
  5. Step 5: Solve for x
    x = 211,368,856.03/14,531.28
  6. Step 6: Final answer
    x = 14,545.78

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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.