Home / 22,253.24-30,709.55-12,181.77

Finding the Fourth Proportional to 22,253.24, 30,709.55 and 12,181.77

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Solution

The fourth proportional to 22,253.24, 30,709.55 and 12,181.77 is: 16,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.24 : 30,709.55 = 12,181.77 : x
  2. Step 2: Convert to fraction form
    22,253.24/30,709.55 = 12,181.77/x
  3. Step 3: Cross multiply
    22,253.24x = 30,709.55 × 12,181.77
  4. Step 4: Simplify right side
    22,253.24x = 374,096,705.36
  5. Step 5: Solve for x
    x = 374,096,705.36/22,253.24
  6. Step 6: Final answer
    x = 16,810.89

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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.