Home / 22,278.31-33,428.43-9,134.44

Finding the Fourth Proportional to 22,278.31, 33,428.43 and 9,134.44

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Solution

The fourth proportional to 22,278.31, 33,428.43 and 9,134.44 is: 13,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.31 : 33,428.43 = 9,134.44 : x
  2. Step 2: Convert to fraction form
    22,278.31/33,428.43 = 9,134.44/x
  3. Step 3: Cross multiply
    22,278.31x = 33,428.43 × 9,134.44
  4. Step 4: Simplify right side
    22,278.31x = 305,349,904.56
  5. Step 5: Solve for x
    x = 305,349,904.56/22,278.31
  6. Step 6: Final answer
    x = 13,706.15

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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.