Home / 32,665.82-45,083.40-19,917.66

Finding the Fourth Proportional to 32,665.82, 45,083.40 and 19,917.66

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Solution

The fourth proportional to 32,665.82, 45,083.40 and 19,917.66 is: 27,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,665.82 : 45,083.40 = 19,917.66 : x
  2. Step 2: Convert to fraction form
    32,665.82/45,083.40 = 19,917.66/x
  3. Step 3: Cross multiply
    32,665.82x = 45,083.40 × 19,917.66
  4. Step 4: Simplify right side
    32,665.82x = 897,955,832.84
  5. Step 5: Solve for x
    x = 897,955,832.84/32,665.82
  6. Step 6: Final answer
    x = 27,489.16

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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.