Home / 22,235.29-30,678.75-13,626.04

Finding the Fourth Proportional to 22,235.29, 30,678.75 and 13,626.04

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Solution

The fourth proportional to 22,235.29, 30,678.75 and 13,626.04 is: 18,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.29 : 30,678.75 = 13,626.04 : x
  2. Step 2: Convert to fraction form
    22,235.29/30,678.75 = 13,626.04/x
  3. Step 3: Cross multiply
    22,235.29x = 30,678.75 × 13,626.04
  4. Step 4: Simplify right side
    22,235.29x = 418,029,874.65
  5. Step 5: Solve for x
    x = 418,029,874.65/22,235.29
  6. Step 6: Final answer
    x = 18,800.29

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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.