Home / 15,461.20-23,191.68-5,600.40

Finding the Fourth Proportional to 15,461.20, 23,191.68 and 5,600.40

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Solution

The fourth proportional to 15,461.20, 23,191.68 and 5,600.40 is: 8,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.20 : 23,191.68 = 5,600.40 : x
  2. Step 2: Convert to fraction form
    15,461.20/23,191.68 = 5,600.40/x
  3. Step 3: Cross multiply
    15,461.20x = 23,191.68 × 5,600.40
  4. Step 4: Simplify right side
    15,461.20x = 129,882,684.67
  5. Step 5: Solve for x
    x = 129,882,684.67/15,461.20
  6. Step 6: Final answer
    x = 8,400.56

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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.