Home / 26,201.43-36,089.10-20,140.08

Finding the Fourth Proportional to 26,201.43, 36,089.10 and 20,140.08

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Solution

The fourth proportional to 26,201.43, 36,089.10 and 20,140.08 is: 27,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,201.43 : 36,089.10 = 20,140.08 : x
  2. Step 2: Convert to fraction form
    26,201.43/36,089.10 = 20,140.08/x
  3. Step 3: Cross multiply
    26,201.43x = 36,089.10 × 20,140.08
  4. Step 4: Simplify right side
    26,201.43x = 726,837,361.13
  5. Step 5: Solve for x
    x = 726,837,361.13/26,201.43
  6. Step 6: Final answer
    x = 27,740.37

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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.