Home / 24,180.75-33,371.26-13,428

Finding the Fourth Proportional to 24,180.75, 33,371.26 and 13,428

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Solution

The fourth proportional to 24,180.75, 33,371.26 and 13,428 is: 18,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,180.75 : 33,371.26 = 13,428 : x
  2. Step 2: Convert to fraction form
    24,180.75/33,371.26 = 13,428/x
  3. Step 3: Cross multiply
    24,180.75x = 33,371.26 × 13,428
  4. Step 4: Simplify right side
    24,180.75x = 448,109,245.71
  5. Step 5: Solve for x
    x = 448,109,245.71/24,180.75
  6. Step 6: Final answer
    x = 18,531.65

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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.