Home / 19,843.01-27,381.36-11,885.03

Finding the Fourth Proportional to 19,843.01, 27,381.36 and 11,885.03

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Solution

The fourth proportional to 19,843.01, 27,381.36 and 11,885.03 is: 16,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.01 : 27,381.36 = 11,885.03 : x
  2. Step 2: Convert to fraction form
    19,843.01/27,381.36 = 11,885.03/x
  3. Step 3: Cross multiply
    19,843.01x = 27,381.36 × 11,885.03
  4. Step 4: Simplify right side
    19,843.01x = 325,428,228.53
  5. Step 5: Solve for x
    x = 325,428,228.53/19,843.01
  6. Step 6: Final answer
    x = 16,400.15

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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.