Home / 19,614.87-27,067.64-11,117.34

Finding the Fourth Proportional to 19,614.87, 27,067.64 and 11,117.34

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Solution

The fourth proportional to 19,614.87, 27,067.64 and 11,117.34 is: 15,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.87 : 27,067.64 = 11,117.34 : x
  2. Step 2: Convert to fraction form
    19,614.87/27,067.64 = 11,117.34/x
  3. Step 3: Cross multiply
    19,614.87x = 27,067.64 × 11,117.34
  4. Step 4: Simplify right side
    19,614.87x = 300,920,101.29
  5. Step 5: Solve for x
    x = 300,920,101.29/19,614.87
  6. Step 6: Final answer
    x = 15,341.43

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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.