Home / 13,656.82-20,490.17-4,773.46

Finding the Fourth Proportional to 13,656.82, 20,490.17 and 4,773.46

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Solution

The fourth proportional to 13,656.82, 20,490.17 and 4,773.46 is: 7,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.82 : 20,490.17 = 4,773.46 : x
  2. Step 2: Convert to fraction form
    13,656.82/20,490.17 = 4,773.46/x
  3. Step 3: Cross multiply
    13,656.82x = 20,490.17 × 4,773.46
  4. Step 4: Simplify right side
    13,656.82x = 97,809,006.89
  5. Step 5: Solve for x
    x = 97,809,006.89/13,656.82
  6. Step 6: Final answer
    x = 7,161.92

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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.