Home / 20,082.92-27,717.85-11,583.51

Finding the Fourth Proportional to 20,082.92, 27,717.85 and 11,583.51

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Solution

The fourth proportional to 20,082.92, 27,717.85 and 11,583.51 is: 15,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.92 : 27,717.85 = 11,583.51 : x
  2. Step 2: Convert to fraction form
    20,082.92/27,717.85 = 11,583.51/x
  3. Step 3: Cross multiply
    20,082.92x = 27,717.85 × 11,583.51
  4. Step 4: Simplify right side
    20,082.92x = 321,069,903.19
  5. Step 5: Solve for x
    x = 321,069,903.19/20,082.92
  6. Step 6: Final answer
    x = 15,987.22

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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.