Home / 19,936-27,514.92-11,557.36

Finding the Fourth Proportional to 19,936, 27,514.92 and 11,557.36

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Solution

The fourth proportional to 19,936, 27,514.92 and 11,557.36 is: 15,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936 : 27,514.92 = 11,557.36 : x
  2. Step 2: Convert to fraction form
    19,936/27,514.92 = 11,557.36/x
  3. Step 3: Cross multiply
    19,936x = 27,514.92 × 11,557.36
  4. Step 4: Simplify right side
    19,936x = 317,999,835.81
  5. Step 5: Solve for x
    x = 317,999,835.81/19,936
  6. Step 6: Final answer
    x = 15,951.04

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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.