Home / 16,934.61-25,401.81-5,247.78

Finding the Fourth Proportional to 16,934.61, 25,401.81 and 5,247.78

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Solution

The fourth proportional to 16,934.61, 25,401.81 and 5,247.78 is: 7,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.61 : 25,401.81 = 5,247.78 : x
  2. Step 2: Convert to fraction form
    16,934.61/25,401.81 = 5,247.78/x
  3. Step 3: Cross multiply
    16,934.61x = 25,401.81 × 5,247.78
  4. Step 4: Simplify right side
    16,934.61x = 133,303,110.48
  5. Step 5: Solve for x
    x = 133,303,110.48/16,934.61
  6. Step 6: Final answer
    x = 7,871.64

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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.