Home / 14,090.74-21,122.26-7,844.96

Finding the Fourth Proportional to 14,090.74, 21,122.26 and 7,844.96

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Solution

The fourth proportional to 14,090.74, 21,122.26 and 7,844.96 is: 11,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.74 : 21,122.26 = 7,844.96 : x
  2. Step 2: Convert to fraction form
    14,090.74/21,122.26 = 7,844.96/x
  3. Step 3: Cross multiply
    14,090.74x = 21,122.26 × 7,844.96
  4. Step 4: Simplify right side
    14,090.74x = 165,703,284.81
  5. Step 5: Solve for x
    x = 165,703,284.81/14,090.74
  6. Step 6: Final answer
    x = 11,759.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.