Home / 25,907.20-38,852.56-8,372.88

Finding the Fourth Proportional to 25,907.20, 38,852.56 and 8,372.88

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Solution

The fourth proportional to 25,907.20, 38,852.56 and 8,372.88 is: 12,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907.20 : 38,852.56 = 8,372.88 : x
  2. Step 2: Convert to fraction form
    25,907.20/38,852.56 = 8,372.88/x
  3. Step 3: Cross multiply
    25,907.20x = 38,852.56 × 8,372.88
  4. Step 4: Simplify right side
    25,907.20x = 325,307,822.57
  5. Step 5: Solve for x
    x = 325,307,822.57/25,907.20
  6. Step 6: Final answer
    x = 12,556.66

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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.