Home / 14,218.11-19,621.17-8,250.03

Finding the Fourth Proportional to 14,218.11, 19,621.17 and 8,250.03

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Solution

The fourth proportional to 14,218.11, 19,621.17 and 8,250.03 is: 11,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.11 : 19,621.17 = 8,250.03 : x
  2. Step 2: Convert to fraction form
    14,218.11/19,621.17 = 8,250.03/x
  3. Step 3: Cross multiply
    14,218.11x = 19,621.17 × 8,250.03
  4. Step 4: Simplify right side
    14,218.11x = 161,875,241.14
  5. Step 5: Solve for x
    x = 161,875,241.14/14,218.11
  6. Step 6: Final answer
    x = 11,385.14

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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.