Home / 15,981.80-23,977.38-4,737.44

Finding the Fourth Proportional to 15,981.80, 23,977.38 and 4,737.44

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Solution

The fourth proportional to 15,981.80, 23,977.38 and 4,737.44 is: 7,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.80 : 23,977.38 = 4,737.44 : x
  2. Step 2: Convert to fraction form
    15,981.80/23,977.38 = 4,737.44/x
  3. Step 3: Cross multiply
    15,981.80x = 23,977.38 × 4,737.44
  4. Step 4: Simplify right side
    15,981.80x = 113,591,399.11
  5. Step 5: Solve for x
    x = 113,591,399.11/15,981.80
  6. Step 6: Final answer
    x = 7,107.55

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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.