Home / 16,256.43-24,381.81-5,160.65

Finding the Fourth Proportional to 16,256.43, 24,381.81 and 5,160.65

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Solution

The fourth proportional to 16,256.43, 24,381.81 and 5,160.65 is: 7,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,256.43 : 24,381.81 = 5,160.65 : x
  2. Step 2: Convert to fraction form
    16,256.43/24,381.81 = 5,160.65/x
  3. Step 3: Cross multiply
    16,256.43x = 24,381.81 × 5,160.65
  4. Step 4: Simplify right side
    16,256.43x = 125,825,865.87
  5. Step 5: Solve for x
    x = 125,825,865.87/16,256.43
  6. Step 6: Final answer
    x = 7,740.07

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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.