Home / 22,890.36-34,302.42-11,190.36

Finding the Fourth Proportional to 22,890.36, 34,302.42 and 11,190.36

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Solution

The fourth proportional to 22,890.36, 34,302.42 and 11,190.36 is: 16,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.36 : 34,302.42 = 11,190.36 : x
  2. Step 2: Convert to fraction form
    22,890.36/34,302.42 = 11,190.36/x
  3. Step 3: Cross multiply
    22,890.36x = 34,302.42 × 11,190.36
  4. Step 4: Simplify right side
    22,890.36x = 383,856,428.67
  5. Step 5: Solve for x
    x = 383,856,428.67/22,890.36
  6. Step 6: Final answer
    x = 16,769.35

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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.