Home / 40,150.13-60,225.21-12,448.13

Finding the Fourth Proportional to 40,150.13, 60,225.21 and 12,448.13

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Solution

The fourth proportional to 40,150.13, 60,225.21 and 12,448.13 is: 18,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.13 : 60,225.21 = 12,448.13 : x
  2. Step 2: Convert to fraction form
    40,150.13/60,225.21 = 12,448.13/x
  3. Step 3: Cross multiply
    40,150.13x = 60,225.21 × 12,448.13
  4. Step 4: Simplify right side
    40,150.13x = 749,690,942.23
  5. Step 5: Solve for x
    x = 749,690,942.23/40,150.13
  6. Step 6: Final answer
    x = 18,672.19

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Double scale
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Similar ratio
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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.