Home / 26,991.31-37,250.65-20,173.48

Finding the Fourth Proportional to 26,991.31, 37,250.65 and 20,173.48

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Solution

The fourth proportional to 26,991.31, 37,250.65 and 20,173.48 is: 27,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.31 : 37,250.65 = 20,173.48 : x
  2. Step 2: Convert to fraction form
    26,991.31/37,250.65 = 20,173.48/x
  3. Step 3: Cross multiply
    26,991.31x = 37,250.65 × 20,173.48
  4. Step 4: Simplify right side
    26,991.31x = 751,475,242.76
  5. Step 5: Solve for x
    x = 751,475,242.76/26,991.31
  6. Step 6: Final answer
    x = 27,841.38

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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.