Home / 22,451.23-30,982.02-12,379.66

Finding the Fourth Proportional to 22,451.23, 30,982.02 and 12,379.66

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Solution

The fourth proportional to 22,451.23, 30,982.02 and 12,379.66 is: 17,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.23 : 30,982.02 = 12,379.66 : x
  2. Step 2: Convert to fraction form
    22,451.23/30,982.02 = 12,379.66/x
  3. Step 3: Cross multiply
    22,451.23x = 30,982.02 × 12,379.66
  4. Step 4: Simplify right side
    22,451.23x = 383,546,924.11
  5. Step 5: Solve for x
    x = 383,546,924.11/22,451.23
  6. Step 6: Final answer
    x = 17,083.56

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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.