Home / 22,850.18-34,162.58-19,378.88

Finding the Fourth Proportional to 22,850.18, 34,162.58 and 19,378.88

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Solution

The fourth proportional to 22,850.18, 34,162.58 and 19,378.88 is: 28,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.18 : 34,162.58 = 19,378.88 : x
  2. Step 2: Convert to fraction form
    22,850.18/34,162.58 = 19,378.88/x
  3. Step 3: Cross multiply
    22,850.18x = 34,162.58 × 19,378.88
  4. Step 4: Simplify right side
    22,850.18x = 662,032,538.31
  5. Step 5: Solve for x
    x = 662,032,538.31/22,850.18
  6. Step 6: Final answer
    x = 28,972.75

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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.