Home / 16,812.40-25,211.31-5,716.11

Finding the Fourth Proportional to 16,812.40, 25,211.31 and 5,716.11

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Solution

The fourth proportional to 16,812.40, 25,211.31 and 5,716.11 is: 8,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.40 : 25,211.31 = 5,716.11 : x
  2. Step 2: Convert to fraction form
    16,812.40/25,211.31 = 5,716.11/x
  3. Step 3: Cross multiply
    16,812.40x = 25,211.31 × 5,716.11
  4. Step 4: Simplify right side
    16,812.40x = 144,110,621.20
  5. Step 5: Solve for x
    x = 144,110,621.20/16,812.40
  6. Step 6: Final answer
    x = 8,571.69

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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.