Home / 17,037.78-25,545.72-11,187.55

Finding the Fourth Proportional to 17,037.78, 25,545.72 and 11,187.55

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Solution

The fourth proportional to 17,037.78, 25,545.72 and 11,187.55 is: 16,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,037.78 : 25,545.72 = 11,187.55 : x
  2. Step 2: Convert to fraction form
    17,037.78/25,545.72 = 11,187.55/x
  3. Step 3: Cross multiply
    17,037.78x = 25,545.72 × 11,187.55
  4. Step 4: Simplify right side
    17,037.78x = 285,794,019.79
  5. Step 5: Solve for x
    x = 285,794,019.79/17,037.78
  6. Step 6: Final answer
    x = 16,774.13

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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.