Home / 25,215.20-37,844.40-11,196.80

Finding the Fourth Proportional to 25,215.20, 37,844.40 and 11,196.80

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Solution

The fourth proportional to 25,215.20, 37,844.40 and 11,196.80 is: 16,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.20 : 37,844.40 = 11,196.80 : x
  2. Step 2: Convert to fraction form
    25,215.20/37,844.40 = 11,196.80/x
  3. Step 3: Cross multiply
    25,215.20x = 37,844.40 × 11,196.80
  4. Step 4: Simplify right side
    25,215.20x = 423,736,177.92
  5. Step 5: Solve for x
    x = 423,736,177.92/25,215.20
  6. Step 6: Final answer
    x = 16,804.79

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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.