Home / 43,124.24-64,689.11-13,543.25

Finding the Fourth Proportional to 43,124.24, 64,689.11 and 13,543.25

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Solution

The fourth proportional to 43,124.24, 64,689.11 and 13,543.25 is: 20,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.24 : 64,689.11 = 13,543.25 : x
  2. Step 2: Convert to fraction form
    43,124.24/64,689.11 = 13,543.25/x
  3. Step 3: Cross multiply
    43,124.24x = 64,689.11 × 13,543.25
  4. Step 4: Simplify right side
    43,124.24x = 876,100,397.85
  5. Step 5: Solve for x
    x = 876,100,397.85/43,124.24
  6. Step 6: Final answer
    x = 20,315.73

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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.