Home / 26,161.62-36,042.01-18,190.00

Finding the Fourth Proportional to 26,161.62, 36,042.01 and 18,190.00

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Solution

The fourth proportional to 26,161.62, 36,042.01 and 18,190.00 is: 25,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.62 : 36,042.01 = 18,190.00 : x
  2. Step 2: Convert to fraction form
    26,161.62/36,042.01 = 18,190.00/x
  3. Step 3: Cross multiply
    26,161.62x = 36,042.01 × 18,190.00
  4. Step 4: Simplify right side
    26,161.62x = 655,604,263.80
  5. Step 5: Solve for x
    x = 655,604,263.80/26,161.62
  6. Step 6: Final answer
    x = 25,059.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.