Home / 26,278.56-36,251.28-16,840.08

Finding the Fourth Proportional to 26,278.56, 36,251.28 and 16,840.08

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Solution

The fourth proportional to 26,278.56, 36,251.28 and 16,840.08 is: 23,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.56 : 36,251.28 = 16,840.08 : x
  2. Step 2: Convert to fraction form
    26,278.56/36,251.28 = 16,840.08/x
  3. Step 3: Cross multiply
    26,278.56x = 36,251.28 × 16,840.08
  4. Step 4: Simplify right side
    26,278.56x = 610,474,455.30
  5. Step 5: Solve for x
    x = 610,474,455.30/26,278.56
  6. Step 6: Final answer
    x = 23,230.89

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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.