Home / 25,442.80-38,156.90-8,573.96

Finding the Fourth Proportional to 25,442.80, 38,156.90 and 8,573.96

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Solution

The fourth proportional to 25,442.80, 38,156.90 and 8,573.96 is: 12,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.80 : 38,156.90 = 8,573.96 : x
  2. Step 2: Convert to fraction form
    25,442.80/38,156.90 = 8,573.96/x
  3. Step 3: Cross multiply
    25,442.80x = 38,156.90 × 8,573.96
  4. Step 4: Simplify right side
    25,442.80x = 327,155,734.32
  5. Step 5: Solve for x
    x = 327,155,734.32/25,442.80
  6. Step 6: Final answer
    x = 12,858.48

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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.