Home / 16,812.87-25,220.12-6,948.69

Finding the Fourth Proportional to 16,812.87, 25,220.12 and 6,948.69

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Solution

The fourth proportional to 16,812.87, 25,220.12 and 6,948.69 is: 10,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.87 : 25,220.12 = 6,948.69 : x
  2. Step 2: Convert to fraction form
    16,812.87/25,220.12 = 6,948.69/x
  3. Step 3: Cross multiply
    16,812.87x = 25,220.12 × 6,948.69
  4. Step 4: Simplify right side
    16,812.87x = 175,246,760.90
  5. Step 5: Solve for x
    x = 175,246,760.90/16,812.87
  6. Step 6: Final answer
    x = 10,423.37

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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.