Home / 19,418.85-26,800.66-11,354.97

Finding the Fourth Proportional to 19,418.85, 26,800.66 and 11,354.97

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Solution

The fourth proportional to 19,418.85, 26,800.66 and 11,354.97 is: 15,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.85 : 26,800.66 = 11,354.97 : x
  2. Step 2: Convert to fraction form
    19,418.85/26,800.66 = 11,354.97/x
  3. Step 3: Cross multiply
    19,418.85x = 26,800.66 × 11,354.97
  4. Step 4: Simplify right side
    19,418.85x = 304,320,751.32
  5. Step 5: Solve for x
    x = 304,320,751.32/19,418.85
  6. Step 6: Final answer
    x = 15,671.41

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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.