Home / 40,543.13-60,814.09-12,463.57

Finding the Fourth Proportional to 40,543.13, 60,814.09 and 12,463.57

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Solution

The fourth proportional to 40,543.13, 60,814.09 and 12,463.57 is: 18,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.13 : 60,814.09 = 12,463.57 : x
  2. Step 2: Convert to fraction form
    40,543.13/60,814.09 = 12,463.57/x
  3. Step 3: Cross multiply
    40,543.13x = 60,814.09 × 12,463.57
  4. Step 4: Simplify right side
    40,543.13x = 757,960,759.30
  5. Step 5: Solve for x
    x = 757,960,759.30/40,543.13
  6. Step 6: Final answer
    x = 18,695.17

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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.