Home / 22,717.67-31,352.28-12,648.02

Finding the Fourth Proportional to 22,717.67, 31,352.28 and 12,648.02

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Solution

The fourth proportional to 22,717.67, 31,352.28 and 12,648.02 is: 17,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.67 : 31,352.28 = 12,648.02 : x
  2. Step 2: Convert to fraction form
    22,717.67/31,352.28 = 12,648.02/x
  3. Step 3: Cross multiply
    22,717.67x = 31,352.28 × 12,648.02
  4. Step 4: Simplify right side
    22,717.67x = 396,544,264.49
  5. Step 5: Solve for x
    x = 396,544,264.49/22,717.67
  6. Step 6: Final answer
    x = 17,455.32

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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.