Home / 19,897.16-27,458.88-11,936.48

Finding the Fourth Proportional to 19,897.16, 27,458.88 and 11,936.48

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Solution

The fourth proportional to 19,897.16, 27,458.88 and 11,936.48 is: 16,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.16 : 27,458.88 = 11,936.48 : x
  2. Step 2: Convert to fraction form
    19,897.16/27,458.88 = 11,936.48/x
  3. Step 3: Cross multiply
    19,897.16x = 27,458.88 × 11,936.48
  4. Step 4: Simplify right side
    19,897.16x = 327,762,371.94
  5. Step 5: Solve for x
    x = 327,762,371.94/19,897.16
  6. Step 6: Final answer
    x = 16,472.82

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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.