Home / 20,001.47-29,992.41-11,683.58

Finding the Fourth Proportional to 20,001.47, 29,992.41 and 11,683.58

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Solution

The fourth proportional to 20,001.47, 29,992.41 and 11,683.58 is: 17,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.47 : 29,992.41 = 11,683.58 : x
  2. Step 2: Convert to fraction form
    20,001.47/29,992.41 = 11,683.58/x
  3. Step 3: Cross multiply
    20,001.47x = 29,992.41 × 11,683.58
  4. Step 4: Simplify right side
    20,001.47x = 350,418,571.67
  5. Step 5: Solve for x
    x = 350,418,571.67/20,001.47
  6. Step 6: Final answer
    x = 17,519.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.