Home / 16,078.91-22,184.69-9,271.26

Finding the Fourth Proportional to 16,078.91, 22,184.69 and 9,271.26

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Solution

The fourth proportional to 16,078.91, 22,184.69 and 9,271.26 is: 12,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.91 : 22,184.69 = 9,271.26 : x
  2. Step 2: Convert to fraction form
    16,078.91/22,184.69 = 9,271.26/x
  3. Step 3: Cross multiply
    16,078.91x = 22,184.69 × 9,271.26
  4. Step 4: Simplify right side
    16,078.91x = 205,679,982.65
  5. Step 5: Solve for x
    x = 205,679,982.65/16,078.91
  6. Step 6: Final answer
    x = 12,791.91

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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.