Home / 16,180.80-22,329.38-9,107.08

Finding the Fourth Proportional to 16,180.80, 22,329.38 and 9,107.08

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Solution

The fourth proportional to 16,180.80, 22,329.38 and 9,107.08 is: 12,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.80 : 22,329.38 = 9,107.08 : x
  2. Step 2: Convert to fraction form
    16,180.80/22,329.38 = 9,107.08/x
  3. Step 3: Cross multiply
    16,180.80x = 22,329.38 × 9,107.08
  4. Step 4: Simplify right side
    16,180.80x = 203,355,450.01
  5. Step 5: Solve for x
    x = 203,355,450.01/16,180.80
  6. Step 6: Final answer
    x = 12,567.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.