Home / 25,396.20-38,103.42-11,355.05

Finding the Fourth Proportional to 25,396.20, 38,103.42 and 11,355.05

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Solution

The fourth proportional to 25,396.20, 38,103.42 and 11,355.05 is: 17,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.20 : 38,103.42 = 11,355.05 : x
  2. Step 2: Convert to fraction form
    25,396.20/38,103.42 = 11,355.05/x
  3. Step 3: Cross multiply
    25,396.20x = 38,103.42 × 11,355.05
  4. Step 4: Simplify right side
    25,396.20x = 432,666,048.75
  5. Step 5: Solve for x
    x = 432,666,048.75/25,396.20
  6. Step 6: Final answer
    x = 17,036.65

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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.