Home / 27,247.20-40,872.15-14,125.20

Finding the Fourth Proportional to 27,247.20, 40,872.15 and 14,125.20

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Solution

The fourth proportional to 27,247.20, 40,872.15 and 14,125.20 is: 21,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.20 : 40,872.15 = 14,125.20 : x
  2. Step 2: Convert to fraction form
    27,247.20/40,872.15 = 14,125.20/x
  3. Step 3: Cross multiply
    27,247.20x = 40,872.15 × 14,125.20
  4. Step 4: Simplify right side
    27,247.20x = 577,327,293.18
  5. Step 5: Solve for x
    x = 577,327,293.18/27,247.20
  6. Step 6: Final answer
    x = 21,188.50

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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.