Home / 20,067.51-27,702.30-14,329.26

Finding the Fourth Proportional to 20,067.51, 27,702.30 and 14,329.26

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Solution

The fourth proportional to 20,067.51, 27,702.30 and 14,329.26 is: 19,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.51 : 27,702.30 = 14,329.26 : x
  2. Step 2: Convert to fraction form
    20,067.51/27,702.30 = 14,329.26/x
  3. Step 3: Cross multiply
    20,067.51x = 27,702.30 × 14,329.26
  4. Step 4: Simplify right side
    20,067.51x = 396,953,459.30
  5. Step 5: Solve for x
    x = 396,953,459.30/20,067.51
  6. Step 6: Final answer
    x = 19,780.90

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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.