Home / 21,082.68-29,093.29-12,133.06

Finding the Fourth Proportional to 21,082.68, 29,093.29 and 12,133.06

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Solution

The fourth proportional to 21,082.68, 29,093.29 and 12,133.06 is: 16,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.68 : 29,093.29 = 12,133.06 : x
  2. Step 2: Convert to fraction form
    21,082.68/29,093.29 = 12,133.06/x
  3. Step 3: Cross multiply
    21,082.68x = 29,093.29 × 12,133.06
  4. Step 4: Simplify right side
    21,082.68x = 352,990,530.10
  5. Step 5: Solve for x
    x = 352,990,530.10/21,082.68
  6. Step 6: Final answer
    x = 16,743.15

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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.