Home / 26,943.47-37,186.38-20,557.97

Finding the Fourth Proportional to 26,943.47, 37,186.38 and 20,557.97

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Solution

The fourth proportional to 26,943.47, 37,186.38 and 20,557.97 is: 28,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.47 : 37,186.38 = 20,557.97 : x
  2. Step 2: Convert to fraction form
    26,943.47/37,186.38 = 20,557.97/x
  3. Step 3: Cross multiply
    26,943.47x = 37,186.38 × 20,557.97
  4. Step 4: Simplify right side
    26,943.47x = 764,476,298.52
  5. Step 5: Solve for x
    x = 764,476,298.52/26,943.47
  6. Step 6: Final answer
    x = 28,373.35

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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.