Home / 36,480.12-54,722.88-13,106.76

Finding the Fourth Proportional to 36,480.12, 54,722.88 and 13,106.76

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Solution

The fourth proportional to 36,480.12, 54,722.88 and 13,106.76 is: 19,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.12 : 54,722.88 = 13,106.76 : x
  2. Step 2: Convert to fraction form
    36,480.12/54,722.88 = 13,106.76/x
  3. Step 3: Cross multiply
    36,480.12x = 54,722.88 × 13,106.76
  4. Step 4: Simplify right side
    36,480.12x = 717,239,654.67
  5. Step 5: Solve for x
    x = 717,239,654.67/36,480.12
  6. Step 6: Final answer
    x = 19,661.11

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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.