Home / 19,894.20-27,452.60-11,395.26

Finding the Fourth Proportional to 19,894.20, 27,452.60 and 11,395.26

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Solution

The fourth proportional to 19,894.20, 27,452.60 and 11,395.26 is: 15,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.20 : 27,452.60 = 11,395.26 : x
  2. Step 2: Convert to fraction form
    19,894.20/27,452.60 = 11,395.26/x
  3. Step 3: Cross multiply
    19,894.20x = 27,452.60 × 11,395.26
  4. Step 4: Simplify right side
    19,894.20x = 312,829,514.68
  5. Step 5: Solve for x
    x = 312,829,514.68/19,894.20
  6. Step 6: Final answer
    x = 15,724.66

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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.