Home / 22,863.40-31,552.72-12,791.24

Finding the Fourth Proportional to 22,863.40, 31,552.72 and 12,791.24

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Solution

The fourth proportional to 22,863.40, 31,552.72 and 12,791.24 is: 17,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.40 : 31,552.72 = 12,791.24 : x
  2. Step 2: Convert to fraction form
    22,863.40/31,552.72 = 12,791.24/x
  3. Step 3: Cross multiply
    22,863.40x = 31,552.72 × 12,791.24
  4. Step 4: Simplify right side
    22,863.40x = 403,598,461.08
  5. Step 5: Solve for x
    x = 403,598,461.08/22,863.40
  6. Step 6: Final answer
    x = 17,652.60

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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.