Home / 13,546.05-20,322.18-5,649.95

Finding the Fourth Proportional to 13,546.05, 20,322.18 and 5,649.95

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Solution

The fourth proportional to 13,546.05, 20,322.18 and 5,649.95 is: 8,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.05 : 20,322.18 = 5,649.95 : x
  2. Step 2: Convert to fraction form
    13,546.05/20,322.18 = 5,649.95/x
  3. Step 3: Cross multiply
    13,546.05x = 20,322.18 × 5,649.95
  4. Step 4: Simplify right side
    13,546.05x = 114,819,199.28
  5. Step 5: Solve for x
    x = 114,819,199.28/13,546.05
  6. Step 6: Final answer
    x = 8,476.21

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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.