Home / 19,799.57-27,357.62-19,090.15

Finding the Fourth Proportional to 19,799.57, 27,357.62 and 19,090.15

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Solution

The fourth proportional to 19,799.57, 27,357.62 and 19,090.15 is: 26,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.57 : 27,357.62 = 19,090.15 : x
  2. Step 2: Convert to fraction form
    19,799.57/27,357.62 = 19,090.15/x
  3. Step 3: Cross multiply
    19,799.57x = 27,357.62 × 19,090.15
  4. Step 4: Simplify right side
    19,799.57x = 522,260,905.60
  5. Step 5: Solve for x
    x = 522,260,905.60/19,799.57
  6. Step 6: Final answer
    x = 26,377.38

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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.