Home / 25,821.68-38,716.92-11,587.56

Finding the Fourth Proportional to 25,821.68, 38,716.92 and 11,587.56

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Solution

The fourth proportional to 25,821.68, 38,716.92 and 11,587.56 is: 17,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.68 : 38,716.92 = 11,587.56 : x
  2. Step 2: Convert to fraction form
    25,821.68/38,716.92 = 11,587.56/x
  3. Step 3: Cross multiply
    25,821.68x = 38,716.92 × 11,587.56
  4. Step 4: Simplify right side
    25,821.68x = 448,634,633.52
  5. Step 5: Solve for x
    x = 448,634,633.52/25,821.68
  6. Step 6: Final answer
    x = 17,374.34

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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.