Home / 18,722.44-25,833.90-11,064.65

Finding the Fourth Proportional to 18,722.44, 25,833.90 and 11,064.65

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Solution

The fourth proportional to 18,722.44, 25,833.90 and 11,064.65 is: 15,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.44 : 25,833.90 = 11,064.65 : x
  2. Step 2: Convert to fraction form
    18,722.44/25,833.90 = 11,064.65/x
  3. Step 3: Cross multiply
    18,722.44x = 25,833.90 × 11,064.65
  4. Step 4: Simplify right side
    18,722.44x = 285,842,932.47
  5. Step 5: Solve for x
    x = 285,842,932.47/18,722.44
  6. Step 6: Final answer
    x = 15,267.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.