Home / 26,398.96-39,556.32-19,346.30

Finding the Fourth Proportional to 26,398.96, 39,556.32 and 19,346.30

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Solution

The fourth proportional to 26,398.96, 39,556.32 and 19,346.30 is: 28,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.96 : 39,556.32 = 19,346.30 : x
  2. Step 2: Convert to fraction form
    26,398.96/39,556.32 = 19,346.30/x
  3. Step 3: Cross multiply
    26,398.96x = 39,556.32 × 19,346.30
  4. Step 4: Simplify right side
    26,398.96x = 765,268,433.62
  5. Step 5: Solve for x
    x = 765,268,433.62/26,398.96
  6. Step 6: Final answer
    x = 28,988.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.