Home / 19,901.67-27,464.75-10,949.65

Finding the Fourth Proportional to 19,901.67, 27,464.75 and 10,949.65

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Solution

The fourth proportional to 19,901.67, 27,464.75 and 10,949.65 is: 15,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.67 : 27,464.75 = 10,949.65 : x
  2. Step 2: Convert to fraction form
    19,901.67/27,464.75 = 10,949.65/x
  3. Step 3: Cross multiply
    19,901.67x = 27,464.75 × 10,949.65
  4. Step 4: Simplify right side
    19,901.67x = 300,729,399.84
  5. Step 5: Solve for x
    x = 300,729,399.84/19,901.67
  6. Step 6: Final answer
    x = 15,110.76

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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.