Home / 15,291.82-22,911.17-8,276.66

Finding the Fourth Proportional to 15,291.82, 22,911.17 and 8,276.66

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Solution

The fourth proportional to 15,291.82, 22,911.17 and 8,276.66 is: 12,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.82 : 22,911.17 = 8,276.66 : x
  2. Step 2: Convert to fraction form
    15,291.82/22,911.17 = 8,276.66/x
  3. Step 3: Cross multiply
    15,291.82x = 22,911.17 × 8,276.66
  4. Step 4: Simplify right side
    15,291.82x = 189,627,894.27
  5. Step 5: Solve for x
    x = 189,627,894.27/15,291.82
  6. Step 6: Final answer
    x = 12,400.61

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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.