Home / 22,065.78-30,449.52-11,994.18

Finding the Fourth Proportional to 22,065.78, 30,449.52 and 11,994.18

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Solution

The fourth proportional to 22,065.78, 30,449.52 and 11,994.18 is: 16,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.78 : 30,449.52 = 11,994.18 : x
  2. Step 2: Convert to fraction form
    22,065.78/30,449.52 = 11,994.18/x
  3. Step 3: Cross multiply
    22,065.78x = 30,449.52 × 11,994.18
  4. Step 4: Simplify right side
    22,065.78x = 365,217,023.79
  5. Step 5: Solve for x
    x = 365,217,023.79/22,065.78
  6. Step 6: Final answer
    x = 16,551.29

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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.