Home / 16,418.87-24,612.46-5,318.02

Finding the Fourth Proportional to 16,418.87, 24,612.46 and 5,318.02

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Solution

The fourth proportional to 16,418.87, 24,612.46 and 5,318.02 is: 7,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.87 : 24,612.46 = 5,318.02 : x
  2. Step 2: Convert to fraction form
    16,418.87/24,612.46 = 5,318.02/x
  3. Step 3: Cross multiply
    16,418.87x = 24,612.46 × 5,318.02
  4. Step 4: Simplify right side
    16,418.87x = 130,889,572.00
  5. Step 5: Solve for x
    x = 130,889,572.00/16,418.87
  6. Step 6: Final answer
    x = 7,971.90

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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.