Home / 24,686.78-34,067.70-13,508.78

Finding the Fourth Proportional to 24,686.78, 34,067.70 and 13,508.78

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Solution

The fourth proportional to 24,686.78, 34,067.70 and 13,508.78 is: 18,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,686.78 : 34,067.70 = 13,508.78 : x
  2. Step 2: Convert to fraction form
    24,686.78/34,067.70 = 13,508.78/x
  3. Step 3: Cross multiply
    24,686.78x = 34,067.70 × 13,508.78
  4. Step 4: Simplify right side
    24,686.78x = 460,213,064.41
  5. Step 5: Solve for x
    x = 460,213,064.41/24,686.78
  6. Step 6: Final answer
    x = 18,642.09

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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.