Home / 19,758.31-27,266.94-11,260.25

Finding the Fourth Proportional to 19,758.31, 27,266.94 and 11,260.25

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Solution

The fourth proportional to 19,758.31, 27,266.94 and 11,260.25 is: 15,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.31 : 27,266.94 = 11,260.25 : x
  2. Step 2: Convert to fraction form
    19,758.31/27,266.94 = 11,260.25/x
  3. Step 3: Cross multiply
    19,758.31x = 27,266.94 × 11,260.25
  4. Step 4: Simplify right side
    19,758.31x = 307,032,561.14
  5. Step 5: Solve for x
    x = 307,032,561.14/19,758.31
  6. Step 6: Final answer
    x = 15,539.41

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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.