Home / 26,142.52-39,191.73-11,340.28

Finding the Fourth Proportional to 26,142.52, 39,191.73 and 11,340.28

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Solution

The fourth proportional to 26,142.52, 39,191.73 and 11,340.28 is: 17,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.52 : 39,191.73 = 11,340.28 : x
  2. Step 2: Convert to fraction form
    26,142.52/39,191.73 = 11,340.28/x
  3. Step 3: Cross multiply
    26,142.52x = 39,191.73 × 11,340.28
  4. Step 4: Simplify right side
    26,142.52x = 444,445,191.88
  5. Step 5: Solve for x
    x = 444,445,191.88/26,142.52
  6. Step 6: Final answer
    x = 17,000.86

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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.