Home / 22,168.74-30,590.11-14,103.32

Finding the Fourth Proportional to 22,168.74, 30,590.11 and 14,103.32

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Solution

The fourth proportional to 22,168.74, 30,590.11 and 14,103.32 is: 19,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.74 : 30,590.11 = 14,103.32 : x
  2. Step 2: Convert to fraction form
    22,168.74/30,590.11 = 14,103.32/x
  3. Step 3: Cross multiply
    22,168.74x = 30,590.11 × 14,103.32
  4. Step 4: Simplify right side
    22,168.74x = 431,422,039.65
  5. Step 5: Solve for x
    x = 431,422,039.65/22,168.74
  6. Step 6: Final answer
    x = 19,460.83

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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.