Home / 19,842.26-27,381.47-10,889.92

Finding the Fourth Proportional to 19,842.26, 27,381.47 and 10,889.92

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Solution

The fourth proportional to 19,842.26, 27,381.47 and 10,889.92 is: 15,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.26 : 27,381.47 = 10,889.92 : x
  2. Step 2: Convert to fraction form
    19,842.26/27,381.47 = 10,889.92/x
  3. Step 3: Cross multiply
    19,842.26x = 27,381.47 × 10,889.92
  4. Step 4: Simplify right side
    19,842.26x = 298,181,894.88
  5. Step 5: Solve for x
    x = 298,181,894.88/19,842.26
  6. Step 6: Final answer
    x = 15,027.62

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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.