Home / 19,954.31-27,539.43-11,459.08

Finding the Fourth Proportional to 19,954.31, 27,539.43 and 11,459.08

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Solution

The fourth proportional to 19,954.31, 27,539.43 and 11,459.08 is: 15,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.31 : 27,539.43 = 11,459.08 : x
  2. Step 2: Convert to fraction form
    19,954.31/27,539.43 = 11,459.08/x
  3. Step 3: Cross multiply
    19,954.31x = 27,539.43 × 11,459.08
  4. Step 4: Simplify right side
    19,954.31x = 315,576,587.43
  5. Step 5: Solve for x
    x = 315,576,587.43/19,954.31
  6. Step 6: Final answer
    x = 15,814.96

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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.