Home / 21,062.83-29,069.19-12,110.71

Finding the Fourth Proportional to 21,062.83, 29,069.19 and 12,110.71

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Solution

The fourth proportional to 21,062.83, 29,069.19 and 12,110.71 is: 16,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062.83 : 29,069.19 = 12,110.71 : x
  2. Step 2: Convert to fraction form
    21,062.83/29,069.19 = 12,110.71/x
  3. Step 3: Cross multiply
    21,062.83x = 29,069.19 × 12,110.71
  4. Step 4: Simplify right side
    21,062.83x = 352,048,324.13
  5. Step 5: Solve for x
    x = 352,048,324.13/21,062.83
  6. Step 6: Final answer
    x = 16,714.20

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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.