Home / 16,900.47-25,351.92-5,212.17

Finding the Fourth Proportional to 16,900.47, 25,351.92 and 5,212.17

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Solution

The fourth proportional to 16,900.47, 25,351.92 and 5,212.17 is: 7,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.47 : 25,351.92 = 5,212.17 : x
  2. Step 2: Convert to fraction form
    16,900.47/25,351.92 = 5,212.17/x
  3. Step 3: Cross multiply
    16,900.47x = 25,351.92 × 5,212.17
  4. Step 4: Simplify right side
    16,900.47x = 132,138,516.87
  5. Step 5: Solve for x
    x = 132,138,516.87/16,900.47
  6. Step 6: Final answer
    x = 7,818.63

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1.5x scale

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.