Home / 22,181.60-30,610.84-12,751.04

Finding the Fourth Proportional to 22,181.60, 30,610.84 and 12,751.04

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Solution

The fourth proportional to 22,181.60, 30,610.84 and 12,751.04 is: 17,596.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.60 : 30,610.84 = 12,751.04 : x
  2. Step 2: Convert to fraction form
    22,181.60/30,610.84 = 12,751.04/x
  3. Step 3: Cross multiply
    22,181.60x = 30,610.84 × 12,751.04
  4. Step 4: Simplify right side
    22,181.60x = 390,320,045.27
  5. Step 5: Solve for x
    x = 390,320,045.27/22,181.60
  6. Step 6: Final answer
    x = 17,596.57

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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.