Home / 22,318.14-30,800.15-12,246.49

Finding the Fourth Proportional to 22,318.14, 30,800.15 and 12,246.49

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Solution

The fourth proportional to 22,318.14, 30,800.15 and 12,246.49 is: 16,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.14 : 30,800.15 = 12,246.49 : x
  2. Step 2: Convert to fraction form
    22,318.14/30,800.15 = 12,246.49/x
  3. Step 3: Cross multiply
    22,318.14x = 30,800.15 × 12,246.49
  4. Step 4: Simplify right side
    22,318.14x = 377,193,728.97
  5. Step 5: Solve for x
    x = 377,193,728.97/22,318.14
  6. Step 6: Final answer
    x = 16,900.77

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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.