Home / 26,396.48-36,388.64-20,097.92

Finding the Fourth Proportional to 26,396.48, 36,388.64 and 20,097.92

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Solution

The fourth proportional to 26,396.48, 36,388.64 and 20,097.92 is: 27,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.48 : 36,388.64 = 20,097.92 : x
  2. Step 2: Convert to fraction form
    26,396.48/36,388.64 = 20,097.92/x
  3. Step 3: Cross multiply
    26,396.48x = 36,388.64 × 20,097.92
  4. Step 4: Simplify right side
    26,396.48x = 731,335,975.63
  5. Step 5: Solve for x
    x = 731,335,975.63/26,396.48
  6. Step 6: Final answer
    x = 27,705.81

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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.