Home / 22,028.23-30,398.47-11,956.69

Finding the Fourth Proportional to 22,028.23, 30,398.47 and 11,956.69

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Solution

The fourth proportional to 22,028.23, 30,398.47 and 11,956.69 is: 16,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.23 : 30,398.47 = 11,956.69 : x
  2. Step 2: Convert to fraction form
    22,028.23/30,398.47 = 11,956.69/x
  3. Step 3: Cross multiply
    22,028.23x = 30,398.47 × 11,956.69
  4. Step 4: Simplify right side
    22,028.23x = 363,465,082.26
  5. Step 5: Solve for x
    x = 363,465,082.26/22,028.23
  6. Step 6: Final answer
    x = 16,499.97

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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.