Home / 18,726.18-25,841.07-11,181.03

Finding the Fourth Proportional to 18,726.18, 25,841.07 and 11,181.03

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Solution

The fourth proportional to 18,726.18, 25,841.07 and 11,181.03 is: 15,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.18 : 25,841.07 = 11,181.03 : x
  2. Step 2: Convert to fraction form
    18,726.18/25,841.07 = 11,181.03/x
  3. Step 3: Cross multiply
    18,726.18x = 25,841.07 × 11,181.03
  4. Step 4: Simplify right side
    18,726.18x = 288,929,778.90
  5. Step 5: Solve for x
    x = 288,929,778.90/18,726.18
  6. Step 6: Final answer
    x = 15,429.19

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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.