Home / 22,162.08-30,584.40-13,211.04

Finding the Fourth Proportional to 22,162.08, 30,584.40 and 13,211.04

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Solution

The fourth proportional to 22,162.08, 30,584.40 and 13,211.04 is: 18,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.08 : 30,584.40 = 13,211.04 : x
  2. Step 2: Convert to fraction form
    22,162.08/30,584.40 = 13,211.04/x
  3. Step 3: Cross multiply
    22,162.08x = 30,584.40 × 13,211.04
  4. Step 4: Simplify right side
    22,162.08x = 404,051,731.78
  5. Step 5: Solve for x
    x = 404,051,731.78/22,162.08
  6. Step 6: Final answer
    x = 18,231.67

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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.