Home / 22,181.40-33,336.90-19,330.20

Finding the Fourth Proportional to 22,181.40, 33,336.90 and 19,330.20

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Solution

The fourth proportional to 22,181.40, 33,336.90 and 19,330.20 is: 29,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.40 : 33,336.90 = 19,330.20 : x
  2. Step 2: Convert to fraction form
    22,181.40/33,336.90 = 19,330.20/x
  3. Step 3: Cross multiply
    22,181.40x = 33,336.90 × 19,330.20
  4. Step 4: Simplify right side
    22,181.40x = 644,408,944.38
  5. Step 5: Solve for x
    x = 644,408,944.38/22,181.40
  6. Step 6: Final answer
    x = 29,051.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.