Home / 19,765.52-27,277.09-11,268.89

Finding the Fourth Proportional to 19,765.52, 27,277.09 and 11,268.89

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Solution

The fourth proportional to 19,765.52, 27,277.09 and 11,268.89 is: 15,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.52 : 27,277.09 = 11,268.89 : x
  2. Step 2: Convert to fraction form
    19,765.52/27,277.09 = 11,268.89/x
  3. Step 3: Cross multiply
    19,765.52x = 27,277.09 × 11,268.89
  4. Step 4: Simplify right side
    19,765.52x = 307,382,464.46
  5. Step 5: Solve for x
    x = 307,382,464.46/19,765.52
  6. Step 6: Final answer
    x = 15,551.45

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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.