Home / 22,879.10-34,318.65-8,087.90

Finding the Fourth Proportional to 22,879.10, 34,318.65 and 8,087.90

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Solution

The fourth proportional to 22,879.10, 34,318.65 and 8,087.90 is: 12,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.10 : 34,318.65 = 8,087.90 : x
  2. Step 2: Convert to fraction form
    22,879.10/34,318.65 = 8,087.90/x
  3. Step 3: Cross multiply
    22,879.10x = 34,318.65 × 8,087.90
  4. Step 4: Simplify right side
    22,879.10x = 277,565,809.34
  5. Step 5: Solve for x
    x = 277,565,809.34/22,879.10
  6. Step 6: Final answer
    x = 12,131.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.