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Finding the Fourth Proportional to 22,016.40, 33,024.60 and 19,424.40

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Solution

The fourth proportional to 22,016.40, 33,024.60 and 19,424.40 is: 29,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.40 : 33,024.60 = 19,424.40 : x
  2. Step 2: Convert to fraction form
    22,016.40/33,024.60 = 19,424.40/x
  3. Step 3: Cross multiply
    22,016.40x = 33,024.60 × 19,424.40
  4. Step 4: Simplify right side
    22,016.40x = 641,483,040.24
  5. Step 5: Solve for x
    x = 641,483,040.24/22,016.40
  6. Step 6: Final answer
    x = 29,136.60

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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.