Home / 26,142.53-39,191.74-11,340.31

Finding the Fourth Proportional to 26,142.53, 39,191.74 and 11,340.31

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Solution

The fourth proportional to 26,142.53, 39,191.74 and 11,340.31 is: 17,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.53 : 39,191.74 = 11,340.31 : x
  2. Step 2: Convert to fraction form
    26,142.53/39,191.74 = 11,340.31/x
  3. Step 3: Cross multiply
    26,142.53x = 39,191.74 × 11,340.31
  4. Step 4: Simplify right side
    26,142.53x = 444,446,481.04
  5. Step 5: Solve for x
    x = 444,446,481.04/26,142.53
  6. Step 6: Final answer
    x = 17,000.90

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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.