Home / 36,160.76-54,221.70-11,190.08

Finding the Fourth Proportional to 36,160.76, 54,221.70 and 11,190.08

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Solution

The fourth proportional to 36,160.76, 54,221.70 and 11,190.08 is: 16,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,160.76 : 54,221.70 = 11,190.08 : x
  2. Step 2: Convert to fraction form
    36,160.76/54,221.70 = 11,190.08/x
  3. Step 3: Cross multiply
    36,160.76x = 54,221.70 × 11,190.08
  4. Step 4: Simplify right side
    36,160.76x = 606,745,338.25
  5. Step 5: Solve for x
    x = 606,745,338.25/36,160.76
  6. Step 6: Final answer
    x = 16,779.11

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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.