Home / 22,374.12-30,874.46-13,174.22

Finding the Fourth Proportional to 22,374.12, 30,874.46 and 13,174.22

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Solution

The fourth proportional to 22,374.12, 30,874.46 and 13,174.22 is: 18,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.12 : 30,874.46 = 13,174.22 : x
  2. Step 2: Convert to fraction form
    22,374.12/30,874.46 = 13,174.22/x
  3. Step 3: Cross multiply
    22,374.12x = 30,874.46 × 13,174.22
  4. Step 4: Simplify right side
    22,374.12x = 406,746,928.42
  5. Step 5: Solve for x
    x = 406,746,928.42/22,374.12
  6. Step 6: Final answer
    x = 18,179.35

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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.