Home / 14,279.58-19,705.71-7,992.06

Finding the Fourth Proportional to 14,279.58, 19,705.71 and 7,992.06

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Solution

The fourth proportional to 14,279.58, 19,705.71 and 7,992.06 is: 11,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.58 : 19,705.71 = 7,992.06 : x
  2. Step 2: Convert to fraction form
    14,279.58/19,705.71 = 7,992.06/x
  3. Step 3: Cross multiply
    14,279.58x = 19,705.71 × 7,992.06
  4. Step 4: Simplify right side
    14,279.58x = 157,489,216.66
  5. Step 5: Solve for x
    x = 157,489,216.66/14,279.58
  6. Step 6: Final answer
    x = 11,028.98

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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.