Home / 38,671.27-57,995.35-12,368.95

Finding the Fourth Proportional to 38,671.27, 57,995.35 and 12,368.95

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Solution

The fourth proportional to 38,671.27, 57,995.35 and 12,368.95 is: 18,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671.27 : 57,995.35 = 12,368.95 : x
  2. Step 2: Convert to fraction form
    38,671.27/57,995.35 = 12,368.95/x
  3. Step 3: Cross multiply
    38,671.27x = 57,995.35 × 12,368.95
  4. Step 4: Simplify right side
    38,671.27x = 717,341,584.38
  5. Step 5: Solve for x
    x = 717,341,584.38/38,671.27
  6. Step 6: Final answer
    x = 18,549.73

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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.