Home / 22,271.30-30,734.38-12,199.65

Finding the Fourth Proportional to 22,271.30, 30,734.38 and 12,199.65

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Solution

The fourth proportional to 22,271.30, 30,734.38 and 12,199.65 is: 16,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.30 : 30,734.38 = 12,199.65 : x
  2. Step 2: Convert to fraction form
    22,271.30/30,734.38 = 12,199.65/x
  3. Step 3: Cross multiply
    22,271.30x = 30,734.38 × 12,199.65
  4. Step 4: Simplify right side
    22,271.30x = 374,948,678.97
  5. Step 5: Solve for x
    x = 374,948,678.97/22,271.30
  6. Step 6: Final answer
    x = 16,835.51

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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.