Home / 26,251.76-36,233.88-20,274.32

Finding the Fourth Proportional to 26,251.76, 36,233.88 and 20,274.32

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Solution

The fourth proportional to 26,251.76, 36,233.88 and 20,274.32 is: 27,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,251.76 : 36,233.88 = 20,274.32 : x
  2. Step 2: Convert to fraction form
    26,251.76/36,233.88 = 20,274.32/x
  3. Step 3: Cross multiply
    26,251.76x = 36,233.88 × 20,274.32
  4. Step 4: Simplify right side
    26,251.76x = 734,617,277.96
  5. Step 5: Solve for x
    x = 734,617,277.96/26,251.76
  6. Step 6: Final answer
    x = 27,983.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.