Home / 14,105.13-21,161.21-9,953.25

Finding the Fourth Proportional to 14,105.13, 21,161.21 and 9,953.25

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Solution

The fourth proportional to 14,105.13, 21,161.21 and 9,953.25 is: 14,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.13 : 21,161.21 = 9,953.25 : x
  2. Step 2: Convert to fraction form
    14,105.13/21,161.21 = 9,953.25/x
  3. Step 3: Cross multiply
    14,105.13x = 21,161.21 × 9,953.25
  4. Step 4: Simplify right side
    14,105.13x = 210,622,813.43
  5. Step 5: Solve for x
    x = 210,622,813.43/14,105.13
  6. Step 6: Final answer
    x = 14,932.36

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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.