Home / 18,834.66-25,992.65-11,279.55

Finding the Fourth Proportional to 18,834.66, 25,992.65 and 11,279.55

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Solution

The fourth proportional to 18,834.66, 25,992.65 and 11,279.55 is: 15,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.66 : 25,992.65 = 11,279.55 : x
  2. Step 2: Convert to fraction form
    18,834.66/25,992.65 = 11,279.55/x
  3. Step 3: Cross multiply
    18,834.66x = 25,992.65 × 11,279.55
  4. Step 4: Simplify right side
    18,834.66x = 293,185,395.31
  5. Step 5: Solve for x
    x = 293,185,395.31/18,834.66
  6. Step 6: Final answer
    x = 15,566.27

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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.