Home / 19,741.86-27,243.70-10,789.36

Finding the Fourth Proportional to 19,741.86, 27,243.70 and 10,789.36

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Solution

The fourth proportional to 19,741.86, 27,243.70 and 10,789.36 is: 14,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.86 : 27,243.70 = 10,789.36 : x
  2. Step 2: Convert to fraction form
    19,741.86/27,243.70 = 10,789.36/x
  3. Step 3: Cross multiply
    19,741.86x = 27,243.70 × 10,789.36
  4. Step 4: Simplify right side
    19,741.86x = 293,942,129.26
  5. Step 5: Solve for x
    x = 293,942,129.26/19,741.86
  6. Step 6: Final answer
    x = 14,889.28

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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.