Home / 15,638.74-23,458.11-3,951.96

Finding the Fourth Proportional to 15,638.74, 23,458.11 and 3,951.96

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Solution

The fourth proportional to 15,638.74, 23,458.11 and 3,951.96 is: 5,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.74 : 23,458.11 = 3,951.96 : x
  2. Step 2: Convert to fraction form
    15,638.74/23,458.11 = 3,951.96/x
  3. Step 3: Cross multiply
    15,638.74x = 23,458.11 × 3,951.96
  4. Step 4: Simplify right side
    15,638.74x = 92,705,512.40
  5. Step 5: Solve for x
    x = 92,705,512.40/15,638.74
  6. Step 6: Final answer
    x = 5,927.94

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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.