Home / 19,841.72-27,381.48-10,889.37

Finding the Fourth Proportional to 19,841.72, 27,381.48 and 10,889.37

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Solution

The fourth proportional to 19,841.72, 27,381.48 and 10,889.37 is: 15,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.72 : 27,381.48 = 10,889.37 : x
  2. Step 2: Convert to fraction form
    19,841.72/27,381.48 = 10,889.37/x
  3. Step 3: Cross multiply
    19,841.72x = 27,381.48 × 10,889.37
  4. Step 4: Simplify right side
    19,841.72x = 298,167,066.87
  5. Step 5: Solve for x
    x = 298,167,066.87/19,841.72
  6. Step 6: Final answer
    x = 15,027.28

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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.