Home / 25,671.27-38,508.28-8,142.45

Finding the Fourth Proportional to 25,671.27, 38,508.28 and 8,142.45

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Solution

The fourth proportional to 25,671.27, 38,508.28 and 8,142.45 is: 12,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.27 : 38,508.28 = 8,142.45 : x
  2. Step 2: Convert to fraction form
    25,671.27/38,508.28 = 8,142.45/x
  3. Step 3: Cross multiply
    25,671.27x = 38,508.28 × 8,142.45
  4. Step 4: Simplify right side
    25,671.27x = 313,551,703.77
  5. Step 5: Solve for x
    x = 313,551,703.77/25,671.27
  6. Step 6: Final answer
    x = 12,214.11

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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.