Home / 19,774.33-27,291.63-11,276.47

Finding the Fourth Proportional to 19,774.33, 27,291.63 and 11,276.47

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Solution

The fourth proportional to 19,774.33, 27,291.63 and 11,276.47 is: 15,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.33 : 27,291.63 = 11,276.47 : x
  2. Step 2: Convert to fraction form
    19,774.33/27,291.63 = 11,276.47/x
  3. Step 3: Cross multiply
    19,774.33x = 27,291.63 × 11,276.47
  4. Step 4: Simplify right side
    19,774.33x = 307,753,169.83
  5. Step 5: Solve for x
    x = 307,753,169.83/19,774.33
  6. Step 6: Final answer
    x = 15,563.27

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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.