Home / 19,687.36-27,175.14-11,732.08

Finding the Fourth Proportional to 19,687.36, 27,175.14 and 11,732.08

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Solution

The fourth proportional to 19,687.36, 27,175.14 and 11,732.08 is: 16,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.36 : 27,175.14 = 11,732.08 : x
  2. Step 2: Convert to fraction form
    19,687.36/27,175.14 = 11,732.08/x
  3. Step 3: Cross multiply
    19,687.36x = 27,175.14 × 11,732.08
  4. Step 4: Simplify right side
    19,687.36x = 318,820,916.49
  5. Step 5: Solve for x
    x = 318,820,916.49/19,687.36
  6. Step 6: Final answer
    x = 16,194.19

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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.