Home / 16,867.31-25,298.80-5,179.55

Finding the Fourth Proportional to 16,867.31, 25,298.80 and 5,179.55

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Solution

The fourth proportional to 16,867.31, 25,298.80 and 5,179.55 is: 7,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.31 : 25,298.80 = 5,179.55 : x
  2. Step 2: Convert to fraction form
    16,867.31/25,298.80 = 5,179.55/x
  3. Step 3: Cross multiply
    16,867.31x = 25,298.80 × 5,179.55
  4. Step 4: Simplify right side
    16,867.31x = 131,036,260.10
  5. Step 5: Solve for x
    x = 131,036,260.10/16,867.31
  6. Step 6: Final answer
    x = 7,768.65

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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.