Home / 27,671.07-41,520.16-11,871.43

Finding the Fourth Proportional to 27,671.07, 41,520.16 and 11,871.43

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Solution

The fourth proportional to 27,671.07, 41,520.16 and 11,871.43 is: 17,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.07 : 41,520.16 = 11,871.43 : x
  2. Step 2: Convert to fraction form
    27,671.07/41,520.16 = 11,871.43/x
  3. Step 3: Cross multiply
    27,671.07x = 41,520.16 × 11,871.43
  4. Step 4: Simplify right side
    27,671.07x = 492,903,406.07
  5. Step 5: Solve for x
    x = 492,903,406.07/27,671.07
  6. Step 6: Final answer
    x = 17,812.95

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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.