Home / 20,050.97-27,670.59-11,099.31

Finding the Fourth Proportional to 20,050.97, 27,670.59 and 11,099.31

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Solution

The fourth proportional to 20,050.97, 27,670.59 and 11,099.31 is: 15,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.97 : 27,670.59 = 11,099.31 : x
  2. Step 2: Convert to fraction form
    20,050.97/27,670.59 = 11,099.31/x
  3. Step 3: Cross multiply
    20,050.97x = 27,670.59 × 11,099.31
  4. Step 4: Simplify right side
    20,050.97x = 307,124,456.29
  5. Step 5: Solve for x
    x = 307,124,456.29/20,050.97
  6. Step 6: Final answer
    x = 15,317.19

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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.