Home / 22,446.81-33,648.21-19,122.57

Finding the Fourth Proportional to 22,446.81, 33,648.21 and 19,122.57

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Solution

The fourth proportional to 22,446.81, 33,648.21 and 19,122.57 is: 28,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.81 : 33,648.21 = 19,122.57 : x
  2. Step 2: Convert to fraction form
    22,446.81/33,648.21 = 19,122.57/x
  3. Step 3: Cross multiply
    22,446.81x = 33,648.21 × 19,122.57
  4. Step 4: Simplify right side
    22,446.81x = 643,440,251.10
  5. Step 5: Solve for x
    x = 643,440,251.10/22,446.81
  6. Step 6: Final answer
    x = 28,665.11

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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.