Home / 24,578.56-33,918.72-13,400.64

Finding the Fourth Proportional to 24,578.56, 33,918.72 and 13,400.64

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Solution

The fourth proportional to 24,578.56, 33,918.72 and 13,400.64 is: 18,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,578.56 : 33,918.72 = 13,400.64 : x
  2. Step 2: Convert to fraction form
    24,578.56/33,918.72 = 13,400.64/x
  3. Step 3: Cross multiply
    24,578.56x = 33,918.72 × 13,400.64
  4. Step 4: Simplify right side
    24,578.56x = 454,532,555.98
  5. Step 5: Solve for x
    x = 454,532,555.98/24,578.56
  6. Step 6: Final answer
    x = 18,493.05

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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.