Home / 18,552.15-27,758.43-11,411.55

Finding the Fourth Proportional to 18,552.15, 27,758.43 and 11,411.55

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Solution

The fourth proportional to 18,552.15, 27,758.43 and 11,411.55 is: 17,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.15 : 27,758.43 = 11,411.55 : x
  2. Step 2: Convert to fraction form
    18,552.15/27,758.43 = 11,411.55/x
  3. Step 3: Cross multiply
    18,552.15x = 27,758.43 × 11,411.55
  4. Step 4: Simplify right side
    18,552.15x = 316,766,711.87
  5. Step 5: Solve for x
    x = 316,766,711.87/18,552.15
  6. Step 6: Final answer
    x = 17,074.39

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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.