Home / 19,944.30-27,522.41-11,987.27

Finding the Fourth Proportional to 19,944.30, 27,522.41 and 11,987.27

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Solution

The fourth proportional to 19,944.30, 27,522.41 and 11,987.27 is: 16,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.30 : 27,522.41 = 11,987.27 : x
  2. Step 2: Convert to fraction form
    19,944.30/27,522.41 = 11,987.27/x
  3. Step 3: Cross multiply
    19,944.30x = 27,522.41 × 11,987.27
  4. Step 4: Simplify right side
    19,944.30x = 329,918,362.17
  5. Step 5: Solve for x
    x = 329,918,362.17/19,944.30
  6. Step 6: Final answer
    x = 16,541.99

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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.