Home / 20,182.29-27,852.23-12,626.21

Finding the Fourth Proportional to 20,182.29, 27,852.23 and 12,626.21

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Solution

The fourth proportional to 20,182.29, 27,852.23 and 12,626.21 is: 17,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.29 : 27,852.23 = 12,626.21 : x
  2. Step 2: Convert to fraction form
    20,182.29/27,852.23 = 12,626.21/x
  3. Step 3: Cross multiply
    20,182.29x = 27,852.23 × 12,626.21
  4. Step 4: Simplify right side
    20,182.29x = 351,667,902.56
  5. Step 5: Solve for x
    x = 351,667,902.56/20,182.29
  6. Step 6: Final answer
    x = 17,424.58

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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.