Home / 16,811.37-25,217.87-6,947.19

Finding the Fourth Proportional to 16,811.37, 25,217.87 and 6,947.19

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Solution

The fourth proportional to 16,811.37, 25,217.87 and 6,947.19 is: 10,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.37 : 25,217.87 = 6,947.19 : x
  2. Step 2: Convert to fraction form
    16,811.37/25,217.87 = 6,947.19/x
  3. Step 3: Cross multiply
    16,811.37x = 25,217.87 × 6,947.19
  4. Step 4: Simplify right side
    16,811.37x = 175,193,299.55
  5. Step 5: Solve for x
    x = 175,193,299.55/16,811.37
  6. Step 6: Final answer
    x = 10,421.12

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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.