Home / 13,442.15-20,167.33-4,677.75

Finding the Fourth Proportional to 13,442.15, 20,167.33 and 4,677.75

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Solution

The fourth proportional to 13,442.15, 20,167.33 and 4,677.75 is: 7,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.15 : 20,167.33 = 4,677.75 : x
  2. Step 2: Convert to fraction form
    13,442.15/20,167.33 = 4,677.75/x
  3. Step 3: Cross multiply
    13,442.15x = 20,167.33 × 4,677.75
  4. Step 4: Simplify right side
    13,442.15x = 94,337,724.98
  5. Step 5: Solve for x
    x = 94,337,724.98/13,442.15
  6. Step 6: Final answer
    x = 7,018.05

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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.