Home / 20,036.33-27,649.99-11,973.66

Finding the Fourth Proportional to 20,036.33, 27,649.99 and 11,973.66

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Solution

The fourth proportional to 20,036.33, 27,649.99 and 11,973.66 is: 16,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.33 : 27,649.99 = 11,973.66 : x
  2. Step 2: Convert to fraction form
    20,036.33/27,649.99 = 11,973.66/x
  3. Step 3: Cross multiply
    20,036.33x = 27,649.99 × 11,973.66
  4. Step 4: Simplify right side
    20,036.33x = 331,071,579.26
  5. Step 5: Solve for x
    x = 331,071,579.26/20,036.33
  6. Step 6: Final answer
    x = 16,523.56

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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.