Home / 18,427.31-27,637.32-6,736.58

Finding the Fourth Proportional to 18,427.31, 27,637.32 and 6,736.58

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Solution

The fourth proportional to 18,427.31, 27,637.32 and 6,736.58 is: 10,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.31 : 27,637.32 = 6,736.58 : x
  2. Step 2: Convert to fraction form
    18,427.31/27,637.32 = 6,736.58/x
  3. Step 3: Cross multiply
    18,427.31x = 27,637.32 × 6,736.58
  4. Step 4: Simplify right side
    18,427.31x = 186,181,017.17
  5. Step 5: Solve for x
    x = 186,181,017.17/18,427.31
  6. Step 6: Final answer
    x = 10,103.54

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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.