Home / 24,742.49-34,138.73-13,987.57

Finding the Fourth Proportional to 24,742.49, 34,138.73 and 13,987.57

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Solution

The fourth proportional to 24,742.49, 34,138.73 and 13,987.57 is: 19,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,742.49 : 34,138.73 = 13,987.57 : x
  2. Step 2: Convert to fraction form
    24,742.49/34,138.73 = 13,987.57/x
  3. Step 3: Cross multiply
    24,742.49x = 34,138.73 × 13,987.57
  4. Step 4: Simplify right side
    24,742.49x = 477,517,974.23
  5. Step 5: Solve for x
    x = 477,517,974.23/24,742.49
  6. Step 6: Final answer
    x = 19,299.51

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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.