Home / 19,900.73-27,462.13-10,947.66

Finding the Fourth Proportional to 19,900.73, 27,462.13 and 10,947.66

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Solution

The fourth proportional to 19,900.73, 27,462.13 and 10,947.66 is: 15,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.73 : 27,462.13 = 10,947.66 : x
  2. Step 2: Convert to fraction form
    19,900.73/27,462.13 = 10,947.66/x
  3. Step 3: Cross multiply
    19,900.73x = 27,462.13 × 10,947.66
  4. Step 4: Simplify right side
    19,900.73x = 300,646,062.12
  5. Step 5: Solve for x
    x = 300,646,062.12/19,900.73
  6. Step 6: Final answer
    x = 15,107.29

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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.