Home / 21,610.13-29,821.97-11,674.13

Finding the Fourth Proportional to 21,610.13, 29,821.97 and 11,674.13

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Solution

The fourth proportional to 21,610.13, 29,821.97 and 11,674.13 is: 16,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.13 : 29,821.97 = 11,674.13 : x
  2. Step 2: Convert to fraction form
    21,610.13/29,821.97 = 11,674.13/x
  3. Step 3: Cross multiply
    21,610.13x = 29,821.97 × 11,674.13
  4. Step 4: Simplify right side
    21,610.13x = 348,145,434.71
  5. Step 5: Solve for x
    x = 348,145,434.71/21,610.13
  6. Step 6: Final answer
    x = 16,110.29

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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.