Home / 18,522.40-27,775.50-5,374.48

Finding the Fourth Proportional to 18,522.40, 27,775.50 and 5,374.48

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Solution

The fourth proportional to 18,522.40, 27,775.50 and 5,374.48 is: 8,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.40 : 27,775.50 = 5,374.48 : x
  2. Step 2: Convert to fraction form
    18,522.40/27,775.50 = 5,374.48/x
  3. Step 3: Cross multiply
    18,522.40x = 27,775.50 × 5,374.48
  4. Step 4: Simplify right side
    18,522.40x = 149,278,869.24
  5. Step 5: Solve for x
    x = 149,278,869.24/18,522.40
  6. Step 6: Final answer
    x = 8,059.37

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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.