Home / 13,493.78-20,236.18-4,726.61

Finding the Fourth Proportional to 13,493.78, 20,236.18 and 4,726.61

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Solution

The fourth proportional to 13,493.78, 20,236.18 and 4,726.61 is: 7,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.78 : 20,236.18 = 4,726.61 : x
  2. Step 2: Convert to fraction form
    13,493.78/20,236.18 = 4,726.61/x
  3. Step 3: Cross multiply
    13,493.78x = 20,236.18 × 4,726.61
  4. Step 4: Simplify right side
    13,493.78x = 95,648,530.75
  5. Step 5: Solve for x
    x = 95,648,530.75/13,493.78
  6. Step 6: Final answer
    x = 7,088.34

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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.