Home / 26,959.20-40,436.72-11,160.16

Finding the Fourth Proportional to 26,959.20, 40,436.72 and 11,160.16

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Solution

The fourth proportional to 26,959.20, 40,436.72 and 11,160.16 is: 16,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.20 : 40,436.72 = 11,160.16 : x
  2. Step 2: Convert to fraction form
    26,959.20/40,436.72 = 11,160.16/x
  3. Step 3: Cross multiply
    26,959.20x = 40,436.72 × 11,160.16
  4. Step 4: Simplify right side
    26,959.20x = 451,280,265.08
  5. Step 5: Solve for x
    x = 451,280,265.08/26,959.20
  6. Step 6: Final answer
    x = 16,739.38

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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.