Home / 14,016.44-19,342.69-7,729.22

Finding the Fourth Proportional to 14,016.44, 19,342.69 and 7,729.22

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Solution

The fourth proportional to 14,016.44, 19,342.69 and 7,729.22 is: 10,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.44 : 19,342.69 = 7,729.22 : x
  2. Step 2: Convert to fraction form
    14,016.44/19,342.69 = 7,729.22/x
  3. Step 3: Cross multiply
    14,016.44x = 19,342.69 × 7,729.22
  4. Step 4: Simplify right side
    14,016.44x = 149,503,906.40
  5. Step 5: Solve for x
    x = 149,503,906.40/14,016.44
  6. Step 6: Final answer
    x = 10,666.33

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Half scale
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Double scale
Find fourth proportional to 14,017.44, 19,344.07 and 7,730.22
Similar ratio
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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.