Home / 22,321.18-30,802.62-12,249.55

Finding the Fourth Proportional to 22,321.18, 30,802.62 and 12,249.55

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Solution

The fourth proportional to 22,321.18, 30,802.62 and 12,249.55 is: 16,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.18 : 30,802.62 = 12,249.55 : x
  2. Step 2: Convert to fraction form
    22,321.18/30,802.62 = 12,249.55/x
  3. Step 3: Cross multiply
    22,321.18x = 30,802.62 × 12,249.55
  4. Step 4: Simplify right side
    22,321.18x = 377,318,233.82
  5. Step 5: Solve for x
    x = 377,318,233.82/22,321.18
  6. Step 6: Final answer
    x = 16,904.05

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Double scale
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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.