Home / 19,882.27-27,408.57-13,895.33

Finding the Fourth Proportional to 19,882.27, 27,408.57 and 13,895.33

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Solution

The fourth proportional to 19,882.27, 27,408.57 and 13,895.33 is: 19,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.27 : 27,408.57 = 13,895.33 : x
  2. Step 2: Convert to fraction form
    19,882.27/27,408.57 = 13,895.33/x
  3. Step 3: Cross multiply
    19,882.27x = 27,408.57 × 13,895.33
  4. Step 4: Simplify right side
    19,882.27x = 380,851,124.98
  5. Step 5: Solve for x
    x = 380,851,124.98/19,882.27
  6. Step 6: Final answer
    x = 19,155.31

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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.