Home / 25,671.24-38,512.62-8,142.12

Finding the Fourth Proportional to 25,671.24, 38,512.62 and 8,142.12

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Solution

The fourth proportional to 25,671.24, 38,512.62 and 8,142.12 is: 12,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.24 : 38,512.62 = 8,142.12 : x
  2. Step 2: Convert to fraction form
    25,671.24/38,512.62 = 8,142.12/x
  3. Step 3: Cross multiply
    25,671.24x = 38,512.62 × 8,142.12
  4. Step 4: Simplify right side
    25,671.24x = 313,574,373.55
  5. Step 5: Solve for x
    x = 313,574,373.55/25,671.24
  6. Step 6: Final answer
    x = 12,215.01

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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.