Home / 25,851.47-38,752.56-8,308.97

Finding the Fourth Proportional to 25,851.47, 38,752.56 and 8,308.97

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Solution

The fourth proportional to 25,851.47, 38,752.56 and 8,308.97 is: 12,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.47 : 38,752.56 = 8,308.97 : x
  2. Step 2: Convert to fraction form
    25,851.47/38,752.56 = 8,308.97/x
  3. Step 3: Cross multiply
    25,851.47x = 38,752.56 × 8,308.97
  4. Step 4: Simplify right side
    25,851.47x = 321,993,858.46
  5. Step 5: Solve for x
    x = 321,993,858.46/25,851.47
  6. Step 6: Final answer
    x = 12,455.53

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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.