Home / 14,090.14-19,444.10-8,121.44

Finding the Fourth Proportional to 14,090.14, 19,444.10 and 8,121.44

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Solution

The fourth proportional to 14,090.14, 19,444.10 and 8,121.44 is: 11,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.14 : 19,444.10 = 8,121.44 : x
  2. Step 2: Convert to fraction form
    14,090.14/19,444.10 = 8,121.44/x
  3. Step 3: Cross multiply
    14,090.14x = 19,444.10 × 8,121.44
  4. Step 4: Simplify right side
    14,090.14x = 157,914,091.50
  5. Step 5: Solve for x
    x = 157,914,091.50/14,090.14
  6. Step 6: Final answer
    x = 11,207.42

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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.