Home / 27,512.68-41,230.12-13,671.40

Finding the Fourth Proportional to 27,512.68, 41,230.12 and 13,671.40

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Solution

The fourth proportional to 27,512.68, 41,230.12 and 13,671.40 is: 20,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.68 : 41,230.12 = 13,671.40 : x
  2. Step 2: Convert to fraction form
    27,512.68/41,230.12 = 13,671.40/x
  3. Step 3: Cross multiply
    27,512.68x = 41,230.12 × 13,671.40
  4. Step 4: Simplify right side
    27,512.68x = 563,673,462.57
  5. Step 5: Solve for x
    x = 563,673,462.57/27,512.68
  6. Step 6: Final answer
    x = 20,487.77

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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.