Home / 22,444.29-30,971.73-12,372.21

Finding the Fourth Proportional to 22,444.29, 30,971.73 and 12,372.21

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Solution

The fourth proportional to 22,444.29, 30,971.73 and 12,372.21 is: 17,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.29 : 30,971.73 = 12,372.21 : x
  2. Step 2: Convert to fraction form
    22,444.29/30,971.73 = 12,372.21/x
  3. Step 3: Cross multiply
    22,444.29x = 30,971.73 × 12,372.21
  4. Step 4: Simplify right side
    22,444.29x = 383,188,747.62
  5. Step 5: Solve for x
    x = 383,188,747.62/22,444.29
  6. Step 6: Final answer
    x = 17,072.88

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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.