Home / 22,671.22-31,272.16-15,585.34

Finding the Fourth Proportional to 22,671.22, 31,272.16 and 15,585.34

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Solution

The fourth proportional to 22,671.22, 31,272.16 and 15,585.34 is: 21,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.22 : 31,272.16 = 15,585.34 : x
  2. Step 2: Convert to fraction form
    22,671.22/31,272.16 = 15,585.34/x
  3. Step 3: Cross multiply
    22,671.22x = 31,272.16 × 15,585.34
  4. Step 4: Simplify right side
    22,671.22x = 487,387,246.13
  5. Step 5: Solve for x
    x = 487,387,246.13/22,671.22
  6. Step 6: Final answer
    x = 21,498.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.