Home / 26,077.60-39,116.50-18,321.04

Finding the Fourth Proportional to 26,077.60, 39,116.50 and 18,321.04

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Solution

The fourth proportional to 26,077.60, 39,116.50 and 18,321.04 is: 27,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077.60 : 39,116.50 = 18,321.04 : x
  2. Step 2: Convert to fraction form
    26,077.60/39,116.50 = 18,321.04/x
  3. Step 3: Cross multiply
    26,077.60x = 39,116.50 × 18,321.04
  4. Step 4: Simplify right side
    26,077.60x = 716,654,817.57
  5. Step 5: Solve for x
    x = 716,654,817.57/26,077.60
  6. Step 6: Final answer
    x = 27,481.63

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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.