Home / 20,026.72-27,637.68-11,074.24

Finding the Fourth Proportional to 20,026.72, 27,637.68 and 11,074.24

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Solution

The fourth proportional to 20,026.72, 27,637.68 and 11,074.24 is: 15,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.72 : 27,637.68 = 11,074.24 : x
  2. Step 2: Convert to fraction form
    20,026.72/27,637.68 = 11,074.24/x
  3. Step 3: Cross multiply
    20,026.72x = 27,637.68 × 11,074.24
  4. Step 4: Simplify right side
    20,026.72x = 306,066,301.36
  5. Step 5: Solve for x
    x = 306,066,301.36/20,026.72
  6. Step 6: Final answer
    x = 15,282.90

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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.