Home / 26,202.40-39,318-12,351.04

Finding the Fourth Proportional to 26,202.40, 39,318 and 12,351.04

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Solution

The fourth proportional to 26,202.40, 39,318 and 12,351.04 is: 18,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.40 : 39,318 = 12,351.04 : x
  2. Step 2: Convert to fraction form
    26,202.40/39,318 = 12,351.04/x
  3. Step 3: Cross multiply
    26,202.40x = 39,318 × 12,351.04
  4. Step 4: Simplify right side
    26,202.40x = 485,618,190.72
  5. Step 5: Solve for x
    x = 485,618,190.72/26,202.40
  6. Step 6: Final answer
    x = 18,533.35

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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.