Home / 19,726.56-27,220.86-11,342.52

Finding the Fourth Proportional to 19,726.56, 27,220.86 and 11,342.52

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Solution

The fourth proportional to 19,726.56, 27,220.86 and 11,342.52 is: 15,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.56 : 27,220.86 = 11,342.52 : x
  2. Step 2: Convert to fraction form
    19,726.56/27,220.86 = 11,342.52/x
  3. Step 3: Cross multiply
    19,726.56x = 27,220.86 × 11,342.52
  4. Step 4: Simplify right side
    19,726.56x = 308,753,148.97
  5. Step 5: Solve for x
    x = 308,753,148.97/19,726.56
  6. Step 6: Final answer
    x = 15,651.65

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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.