Home / 19,996.75-27,595.56-12,039.31

Finding the Fourth Proportional to 19,996.75, 27,595.56 and 12,039.31

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Solution

The fourth proportional to 19,996.75, 27,595.56 and 12,039.31 is: 16,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.75 : 27,595.56 = 12,039.31 : x
  2. Step 2: Convert to fraction form
    19,996.75/27,595.56 = 12,039.31/x
  3. Step 3: Cross multiply
    19,996.75x = 27,595.56 × 12,039.31
  4. Step 4: Simplify right side
    19,996.75x = 332,231,501.46
  5. Step 5: Solve for x
    x = 332,231,501.46/19,996.75
  6. Step 6: Final answer
    x = 16,614.27

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Double scale
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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.