Home / 22,619.70-33,938.64-10,131.12

Finding the Fourth Proportional to 22,619.70, 33,938.64 and 10,131.12

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Solution

The fourth proportional to 22,619.70, 33,938.64 and 10,131.12 is: 15,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.70 : 33,938.64 = 10,131.12 : x
  2. Step 2: Convert to fraction form
    22,619.70/33,938.64 = 10,131.12/x
  3. Step 3: Cross multiply
    22,619.70x = 33,938.64 × 10,131.12
  4. Step 4: Simplify right side
    22,619.70x = 343,836,434.48
  5. Step 5: Solve for x
    x = 343,836,434.48/22,619.70
  6. Step 6: Final answer
    x = 15,200.75

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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.