Home / 27,501.69-41,252.11-8,781.61

Finding the Fourth Proportional to 27,501.69, 41,252.11 and 8,781.61

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Solution

The fourth proportional to 27,501.69, 41,252.11 and 8,781.61 is: 13,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,501.69 : 41,252.11 = 8,781.61 : x
  2. Step 2: Convert to fraction form
    27,501.69/41,252.11 = 8,781.61/x
  3. Step 3: Cross multiply
    27,501.69x = 41,252.11 × 8,781.61
  4. Step 4: Simplify right side
    27,501.69x = 362,259,941.70
  5. Step 5: Solve for x
    x = 362,259,941.70/27,501.69
  6. Step 6: Final answer
    x = 13,172.28

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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.