Home / 17,251.20-25,860.96-5,558.40

Finding the Fourth Proportional to 17,251.20, 25,860.96 and 5,558.40

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Solution

The fourth proportional to 17,251.20, 25,860.96 and 5,558.40 is: 8,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.20 : 25,860.96 = 5,558.40 : x
  2. Step 2: Convert to fraction form
    17,251.20/25,860.96 = 5,558.40/x
  3. Step 3: Cross multiply
    17,251.20x = 25,860.96 × 5,558.40
  4. Step 4: Simplify right side
    17,251.20x = 143,745,560.06
  5. Step 5: Solve for x
    x = 143,745,560.06/17,251.20
  6. Step 6: Final answer
    x = 8,332.50

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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.