Home / 18,959.86-26,160.33-11,404.18

Finding the Fourth Proportional to 18,959.86, 26,160.33 and 11,404.18

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Solution

The fourth proportional to 18,959.86, 26,160.33 and 11,404.18 is: 15,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.86 : 26,160.33 = 11,404.18 : x
  2. Step 2: Convert to fraction form
    18,959.86/26,160.33 = 11,404.18/x
  3. Step 3: Cross multiply
    18,959.86x = 26,160.33 × 11,404.18
  4. Step 4: Simplify right side
    18,959.86x = 298,337,112.18
  5. Step 5: Solve for x
    x = 298,337,112.18/18,959.86
  6. Step 6: Final answer
    x = 15,735.20

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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.