Home / 26,186.58-39,279.87-21,559.86

Finding the Fourth Proportional to 26,186.58, 39,279.87 and 21,559.86

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Solution

The fourth proportional to 26,186.58, 39,279.87 and 21,559.86 is: 32,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.58 : 39,279.87 = 21,559.86 : x
  2. Step 2: Convert to fraction form
    26,186.58/39,279.87 = 21,559.86/x
  3. Step 3: Cross multiply
    26,186.58x = 39,279.87 × 21,559.86
  4. Step 4: Simplify right side
    26,186.58x = 846,868,498.02
  5. Step 5: Solve for x
    x = 846,868,498.02/26,186.58
  6. Step 6: Final answer
    x = 32,339.79

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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.