Home / 16,411.84-24,621.64-5,318.51

Finding the Fourth Proportional to 16,411.84, 24,621.64 and 5,318.51

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Solution

The fourth proportional to 16,411.84, 24,621.64 and 5,318.51 is: 7,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,411.84 : 24,621.64 = 5,318.51 : x
  2. Step 2: Convert to fraction form
    16,411.84/24,621.64 = 5,318.51/x
  3. Step 3: Cross multiply
    16,411.84x = 24,621.64 × 5,318.51
  4. Step 4: Simplify right side
    16,411.84x = 130,950,438.56
  5. Step 5: Solve for x
    x = 130,950,438.56/16,411.84
  6. Step 6: Final answer
    x = 7,979.02

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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.