Home / 19,835.22-27,372.45-11,456.34

Finding the Fourth Proportional to 19,835.22, 27,372.45 and 11,456.34

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Solution

The fourth proportional to 19,835.22, 27,372.45 and 11,456.34 is: 15,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.22 : 27,372.45 = 11,456.34 : x
  2. Step 2: Convert to fraction form
    19,835.22/27,372.45 = 11,456.34/x
  3. Step 3: Cross multiply
    19,835.22x = 27,372.45 × 11,456.34
  4. Step 4: Simplify right side
    19,835.22x = 313,588,093.83
  5. Step 5: Solve for x
    x = 313,588,093.83/19,835.22
  6. Step 6: Final answer
    x = 15,809.66

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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.