Home / 25,338.87-38,012.38-7,808.69

Finding the Fourth Proportional to 25,338.87, 38,012.38 and 7,808.69

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Solution

The fourth proportional to 25,338.87, 38,012.38 and 7,808.69 is: 11,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.87 : 38,012.38 = 7,808.69 : x
  2. Step 2: Convert to fraction form
    25,338.87/38,012.38 = 7,808.69/x
  3. Step 3: Cross multiply
    25,338.87x = 38,012.38 × 7,808.69
  4. Step 4: Simplify right side
    25,338.87x = 296,826,891.58
  5. Step 5: Solve for x
    x = 296,826,891.58/25,338.87
  6. Step 6: Final answer
    x = 11,714.29

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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.