Home / 18,956.52-26,151.68-11,398.48

Finding the Fourth Proportional to 18,956.52, 26,151.68 and 11,398.48

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Solution

The fourth proportional to 18,956.52, 26,151.68 and 11,398.48 is: 15,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.52 : 26,151.68 = 11,398.48 : x
  2. Step 2: Convert to fraction form
    18,956.52/26,151.68 = 11,398.48/x
  3. Step 3: Cross multiply
    18,956.52x = 26,151.68 × 11,398.48
  4. Step 4: Simplify right side
    18,956.52x = 298,089,401.45
  5. Step 5: Solve for x
    x = 298,089,401.45/18,956.52
  6. Step 6: Final answer
    x = 15,724.90

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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.