Home / 19,828.13-29,714.31-14,255.33

Finding the Fourth Proportional to 19,828.13, 29,714.31 and 14,255.33

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Solution

The fourth proportional to 19,828.13, 29,714.31 and 14,255.33 is: 21,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.13 : 29,714.31 = 14,255.33 : x
  2. Step 2: Convert to fraction form
    19,828.13/29,714.31 = 14,255.33/x
  3. Step 3: Cross multiply
    19,828.13x = 29,714.31 × 14,255.33
  4. Step 4: Simplify right side
    19,828.13x = 423,587,146.20
  5. Step 5: Solve for x
    x = 423,587,146.20/19,828.13
  6. Step 6: Final answer
    x = 21,362.95

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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.