Home / 40,154.14-60,240.78-13,859.11

Finding the Fourth Proportional to 40,154.14, 60,240.78 and 13,859.11

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Solution

The fourth proportional to 40,154.14, 60,240.78 and 13,859.11 is: 20,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.14 : 60,240.78 = 13,859.11 : x
  2. Step 2: Convert to fraction form
    40,154.14/60,240.78 = 13,859.11/x
  3. Step 3: Cross multiply
    40,154.14x = 60,240.78 × 13,859.11
  4. Step 4: Simplify right side
    40,154.14x = 834,883,596.51
  5. Step 5: Solve for x
    x = 834,883,596.51/40,154.14
  6. Step 6: Final answer
    x = 20,791.97

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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.