Home / 22,442.04-30,971.80-12,372.28

Finding the Fourth Proportional to 22,442.04, 30,971.80 and 12,372.28

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Solution

The fourth proportional to 22,442.04, 30,971.80 and 12,372.28 is: 17,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.04 : 30,971.80 = 12,372.28 : x
  2. Step 2: Convert to fraction form
    22,442.04/30,971.80 = 12,372.28/x
  3. Step 3: Cross multiply
    22,442.04x = 30,971.80 × 12,372.28
  4. Step 4: Simplify right side
    22,442.04x = 383,191,781.70
  5. Step 5: Solve for x
    x = 383,191,781.70/22,442.04
  6. Step 6: Final answer
    x = 17,074.73

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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.