Home / 36,515.13-54,772.76-11,891.13

Finding the Fourth Proportional to 36,515.13, 54,772.76 and 11,891.13

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Solution

The fourth proportional to 36,515.13, 54,772.76 and 11,891.13 is: 17,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.13 : 54,772.76 = 11,891.13 : x
  2. Step 2: Convert to fraction form
    36,515.13/54,772.76 = 11,891.13/x
  3. Step 3: Cross multiply
    36,515.13x = 54,772.76 × 11,891.13
  4. Step 4: Simplify right side
    36,515.13x = 651,310,009.62
  5. Step 5: Solve for x
    x = 651,310,009.62/36,515.13
  6. Step 6: Final answer
    x = 17,836.72

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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.