Home / 20,062.53-27,684.99-11,109.42

Finding the Fourth Proportional to 20,062.53, 27,684.99 and 11,109.42

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Solution

The fourth proportional to 20,062.53, 27,684.99 and 11,109.42 is: 15,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.53 : 27,684.99 = 11,109.42 : x
  2. Step 2: Convert to fraction form
    20,062.53/27,684.99 = 11,109.42/x
  3. Step 3: Cross multiply
    20,062.53x = 27,684.99 × 11,109.42
  4. Step 4: Simplify right side
    20,062.53x = 307,564,181.61
  5. Step 5: Solve for x
    x = 307,564,181.61/20,062.53
  6. Step 6: Final answer
    x = 15,330.28

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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.