Home / 14,718.78-22,078.18-3,625.68

Finding the Fourth Proportional to 14,718.78, 22,078.18 and 3,625.68

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Solution

The fourth proportional to 14,718.78, 22,078.18 and 3,625.68 is: 5,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.78 : 22,078.18 = 3,625.68 : x
  2. Step 2: Convert to fraction form
    14,718.78/22,078.18 = 3,625.68/x
  3. Step 3: Cross multiply
    14,718.78x = 22,078.18 × 3,625.68
  4. Step 4: Simplify right side
    14,718.78x = 80,048,415.66
  5. Step 5: Solve for x
    x = 80,048,415.66/14,718.78
  6. Step 6: Final answer
    x = 5,438.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.