Home / 22,153.44-33,278.40-13,392.48

Finding the Fourth Proportional to 22,153.44, 33,278.40 and 13,392.48

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Solution

The fourth proportional to 22,153.44, 33,278.40 and 13,392.48 is: 20,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.44 : 33,278.40 = 13,392.48 : x
  2. Step 2: Convert to fraction form
    22,153.44/33,278.40 = 13,392.48/x
  3. Step 3: Cross multiply
    22,153.44x = 33,278.40 × 13,392.48
  4. Step 4: Simplify right side
    22,153.44x = 445,680,306.43
  5. Step 5: Solve for x
    x = 445,680,306.43/22,153.44
  6. Step 6: Final answer
    x = 20,117.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.