Home / 25,575.76-38,352.64-8,930.80

Finding the Fourth Proportional to 25,575.76, 38,352.64 and 8,930.80

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Solution

The fourth proportional to 25,575.76, 38,352.64 and 8,930.80 is: 13,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.76 : 38,352.64 = 8,930.80 : x
  2. Step 2: Convert to fraction form
    25,575.76/38,352.64 = 8,930.80/x
  3. Step 3: Cross multiply
    25,575.76x = 38,352.64 × 8,930.80
  4. Step 4: Simplify right side
    25,575.76x = 342,519,757.31
  5. Step 5: Solve for x
    x = 342,519,757.31/25,575.76
  6. Step 6: Final answer
    x = 13,392.36

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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.