Home / 36,561.76-54,798.68-13,160.86

Finding the Fourth Proportional to 36,561.76, 54,798.68 and 13,160.86

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Solution

The fourth proportional to 36,561.76, 54,798.68 and 13,160.86 is: 19,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.76 : 54,798.68 = 13,160.86 : x
  2. Step 2: Convert to fraction form
    36,561.76/54,798.68 = 13,160.86/x
  3. Step 3: Cross multiply
    36,561.76x = 54,798.68 × 13,160.86
  4. Step 4: Simplify right side
    36,561.76x = 721,197,755.66
  5. Step 5: Solve for x
    x = 721,197,755.66/36,561.76
  6. Step 6: Final answer
    x = 19,725.47

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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.