Home / 19,903.20-27,467.55-10,950.92

Finding the Fourth Proportional to 19,903.20, 27,467.55 and 10,950.92

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Solution

The fourth proportional to 19,903.20, 27,467.55 and 10,950.92 is: 15,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.20 : 27,467.55 = 10,950.92 : x
  2. Step 2: Convert to fraction form
    19,903.20/27,467.55 = 10,950.92/x
  3. Step 3: Cross multiply
    19,903.20x = 27,467.55 × 10,950.92
  4. Step 4: Simplify right side
    19,903.20x = 300,794,805.31
  5. Step 5: Solve for x
    x = 300,794,805.31/19,903.20
  6. Step 6: Final answer
    x = 15,112.89

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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.