Home / 19,758.01-27,266.07-11,144.30

Finding the Fourth Proportional to 19,758.01, 27,266.07 and 11,144.30

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Solution

The fourth proportional to 19,758.01, 27,266.07 and 11,144.30 is: 15,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.01 : 27,266.07 = 11,144.30 : x
  2. Step 2: Convert to fraction form
    19,758.01/27,266.07 = 11,144.30/x
  3. Step 3: Cross multiply
    19,758.01x = 27,266.07 × 11,144.30
  4. Step 4: Simplify right side
    19,758.01x = 303,861,260.05
  5. Step 5: Solve for x
    x = 303,861,260.05/19,758.01
  6. Step 6: Final answer
    x = 15,379.14

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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.