Home / 36,106.16-54,146.92-13,917.68

Finding the Fourth Proportional to 36,106.16, 54,146.92 and 13,917.68

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Solution

The fourth proportional to 36,106.16, 54,146.92 and 13,917.68 is: 20,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,106.16 : 54,146.92 = 13,917.68 : x
  2. Step 2: Convert to fraction form
    36,106.16/54,146.92 = 13,917.68/x
  3. Step 3: Cross multiply
    36,106.16x = 54,146.92 × 13,917.68
  4. Step 4: Simplify right side
    36,106.16x = 753,599,505.55
  5. Step 5: Solve for x
    x = 753,599,505.55/36,106.16
  6. Step 6: Final answer
    x = 20,871.77

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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.