Home / 27,845.47-41,767.51-8,124.20

Finding the Fourth Proportional to 27,845.47, 41,767.51 and 8,124.20

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Solution

The fourth proportional to 27,845.47, 41,767.51 and 8,124.20 is: 12,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.47 : 41,767.51 = 8,124.20 : x
  2. Step 2: Convert to fraction form
    27,845.47/41,767.51 = 8,124.20/x
  3. Step 3: Cross multiply
    27,845.47x = 41,767.51 × 8,124.20
  4. Step 4: Simplify right side
    27,845.47x = 339,327,604.74
  5. Step 5: Solve for x
    x = 339,327,604.74/27,845.47
  6. Step 6: Final answer
    x = 12,186.10

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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.