Home / 15,027.66-22,512.69-8,433.90

Finding the Fourth Proportional to 15,027.66, 22,512.69 and 8,433.90

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Solution

The fourth proportional to 15,027.66, 22,512.69 and 8,433.90 is: 12,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.66 : 22,512.69 = 8,433.90 : x
  2. Step 2: Convert to fraction form
    15,027.66/22,512.69 = 8,433.90/x
  3. Step 3: Cross multiply
    15,027.66x = 22,512.69 × 8,433.90
  4. Step 4: Simplify right side
    15,027.66x = 189,869,776.19
  5. Step 5: Solve for x
    x = 189,869,776.19/15,027.66
  6. Step 6: Final answer
    x = 12,634.69

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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.