Home / 25,365.20-38,069.40-11,346.80

Finding the Fourth Proportional to 25,365.20, 38,069.40 and 11,346.80

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Solution

The fourth proportional to 25,365.20, 38,069.40 and 11,346.80 is: 17,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.20 : 38,069.40 = 11,346.80 : x
  2. Step 2: Convert to fraction form
    25,365.20/38,069.40 = 11,346.80/x
  3. Step 3: Cross multiply
    25,365.20x = 38,069.40 × 11,346.80
  4. Step 4: Simplify right side
    25,365.20x = 431,965,867.92
  5. Step 5: Solve for x
    x = 431,965,867.92/25,365.20
  6. Step 6: Final answer
    x = 17,029.86

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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.