Home / 45,049.13-67,573.70-13,884.38

Finding the Fourth Proportional to 45,049.13, 67,573.70 and 13,884.38

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Solution

The fourth proportional to 45,049.13, 67,573.70 and 13,884.38 is: 20,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049.13 : 67,573.70 = 13,884.38 : x
  2. Step 2: Convert to fraction form
    45,049.13/67,573.70 = 13,884.38/x
  3. Step 3: Cross multiply
    45,049.13x = 67,573.70 × 13,884.38
  4. Step 4: Simplify right side
    45,049.13x = 938,218,521.52
  5. Step 5: Solve for x
    x = 938,218,521.52/45,049.13
  6. Step 6: Final answer
    x = 20,826.56

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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.