Home / 16,813.80-25,223.76-6,947.72

Finding the Fourth Proportional to 16,813.80, 25,223.76 and 6,947.72

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Solution

The fourth proportional to 16,813.80, 25,223.76 and 6,947.72 is: 10,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.80 : 25,223.76 = 6,947.72 : x
  2. Step 2: Convert to fraction form
    16,813.80/25,223.76 = 6,947.72/x
  3. Step 3: Cross multiply
    16,813.80x = 25,223.76 × 6,947.72
  4. Step 4: Simplify right side
    16,813.80x = 175,247,621.83
  5. Step 5: Solve for x
    x = 175,247,621.83/16,813.80
  6. Step 6: Final answer
    x = 10,422.84

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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.