Home / 18,671.22-25,757.52-11,113.26

Finding the Fourth Proportional to 18,671.22, 25,757.52 and 11,113.26

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Solution

The fourth proportional to 18,671.22, 25,757.52 and 11,113.26 is: 15,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.22 : 25,757.52 = 11,113.26 : x
  2. Step 2: Convert to fraction form
    18,671.22/25,757.52 = 11,113.26/x
  3. Step 3: Cross multiply
    18,671.22x = 25,757.52 × 11,113.26
  4. Step 4: Simplify right side
    18,671.22x = 286,250,016.72
  5. Step 5: Solve for x
    x = 286,250,016.72/18,671.22
  6. Step 6: Final answer
    x = 15,331.08

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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.