Home / 22,541.49-33,781.46-13,161.69

Finding the Fourth Proportional to 22,541.49, 33,781.46 and 13,161.69

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Solution

The fourth proportional to 22,541.49, 33,781.46 and 13,161.69 is: 19,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.49 : 33,781.46 = 13,161.69 : x
  2. Step 2: Convert to fraction form
    22,541.49/33,781.46 = 13,161.69/x
  3. Step 3: Cross multiply
    22,541.49x = 33,781.46 × 13,161.69
  4. Step 4: Simplify right side
    22,541.49x = 444,621,038.46
  5. Step 5: Solve for x
    x = 444,621,038.46/22,541.49
  6. Step 6: Final answer
    x = 19,724.56

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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.