Home / 26,474.72-39,706.32-13,323.20

Finding the Fourth Proportional to 26,474.72, 39,706.32 and 13,323.20

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Solution

The fourth proportional to 26,474.72, 39,706.32 and 13,323.20 is: 19,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.72 : 39,706.32 = 13,323.20 : x
  2. Step 2: Convert to fraction form
    26,474.72/39,706.32 = 13,323.20/x
  3. Step 3: Cross multiply
    26,474.72x = 39,706.32 × 13,323.20
  4. Step 4: Simplify right side
    26,474.72x = 529,015,242.62
  5. Step 5: Solve for x
    x = 529,015,242.62/26,474.72
  6. Step 6: Final answer
    x = 19,981.90

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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.