Home / 19,695.36-27,178.92-11,733.45

Finding the Fourth Proportional to 19,695.36, 27,178.92 and 11,733.45

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Solution

The fourth proportional to 19,695.36, 27,178.92 and 11,733.45 is: 16,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.36 : 27,178.92 = 11,733.45 : x
  2. Step 2: Convert to fraction form
    19,695.36/27,178.92 = 11,733.45/x
  3. Step 3: Cross multiply
    19,695.36x = 27,178.92 × 11,733.45
  4. Step 4: Simplify right side
    19,695.36x = 318,902,498.87
  5. Step 5: Solve for x
    x = 318,902,498.87/19,695.36
  6. Step 6: Final answer
    x = 16,191.76

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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.