Home / 27,412.61-41,105.95-12,617.15

Finding the Fourth Proportional to 27,412.61, 41,105.95 and 12,617.15

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Solution

The fourth proportional to 27,412.61, 41,105.95 and 12,617.15 is: 18,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.61 : 41,105.95 = 12,617.15 : x
  2. Step 2: Convert to fraction form
    27,412.61/41,105.95 = 12,617.15/x
  3. Step 3: Cross multiply
    27,412.61x = 41,105.95 × 12,617.15
  4. Step 4: Simplify right side
    27,412.61x = 518,639,668.43
  5. Step 5: Solve for x
    x = 518,639,668.43/27,412.61
  6. Step 6: Final answer
    x = 18,919.75

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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.