Home / 25,882.76-38,788.36-11,808.47

Finding the Fourth Proportional to 25,882.76, 38,788.36 and 11,808.47

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Solution

The fourth proportional to 25,882.76, 38,788.36 and 11,808.47 is: 17,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,882.76 : 38,788.36 = 11,808.47 : x
  2. Step 2: Convert to fraction form
    25,882.76/38,788.36 = 11,808.47/x
  3. Step 3: Cross multiply
    25,882.76x = 38,788.36 × 11,808.47
  4. Step 4: Simplify right side
    25,882.76x = 458,031,185.41
  5. Step 5: Solve for x
    x = 458,031,185.41/25,882.76
  6. Step 6: Final answer
    x = 17,696.38

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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.