Home / 26,142.54-39,191.78-11,340.32

Finding the Fourth Proportional to 26,142.54, 39,191.78 and 11,340.32

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Solution

The fourth proportional to 26,142.54, 39,191.78 and 11,340.32 is: 17,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.54 : 39,191.78 = 11,340.32 : x
  2. Step 2: Convert to fraction form
    26,142.54/39,191.78 = 11,340.32/x
  3. Step 3: Cross multiply
    26,142.54x = 39,191.78 × 11,340.32
  4. Step 4: Simplify right side
    26,142.54x = 444,447,326.57
  5. Step 5: Solve for x
    x = 444,447,326.57/26,142.54
  6. Step 6: Final answer
    x = 17,000.92

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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.