Home / 19,695.93-27,180.72-11,197.86

Finding the Fourth Proportional to 19,695.93, 27,180.72 and 11,197.86

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Solution

The fourth proportional to 19,695.93, 27,180.72 and 11,197.86 is: 15,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.93 : 27,180.72 = 11,197.86 : x
  2. Step 2: Convert to fraction form
    19,695.93/27,180.72 = 11,197.86/x
  3. Step 3: Cross multiply
    19,695.93x = 27,180.72 × 11,197.86
  4. Step 4: Simplify right side
    19,695.93x = 304,365,897.26
  5. Step 5: Solve for x
    x = 304,365,897.26/19,695.93
  6. Step 6: Final answer
    x = 15,453.24

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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.