Home / 19,726.96-27,185.52-14,128.24

Finding the Fourth Proportional to 19,726.96, 27,185.52 and 14,128.24

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Solution

The fourth proportional to 19,726.96, 27,185.52 and 14,128.24 is: 19,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.96 : 27,185.52 = 14,128.24 : x
  2. Step 2: Convert to fraction form
    19,726.96/27,185.52 = 14,128.24/x
  3. Step 3: Cross multiply
    19,726.96x = 27,185.52 × 14,128.24
  4. Step 4: Simplify right side
    19,726.96x = 384,083,551.08
  5. Step 5: Solve for x
    x = 384,083,551.08/19,726.96
  6. Step 6: Final answer
    x = 19,469.98

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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.