Home / 22,696.60-31,321.12-12,625.96

Finding the Fourth Proportional to 22,696.60, 31,321.12 and 12,625.96

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Solution

The fourth proportional to 22,696.60, 31,321.12 and 12,625.96 is: 17,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.60 : 31,321.12 = 12,625.96 : x
  2. Step 2: Convert to fraction form
    22,696.60/31,321.12 = 12,625.96/x
  3. Step 3: Cross multiply
    22,696.60x = 31,321.12 × 12,625.96
  4. Step 4: Simplify right side
    22,696.60x = 395,459,208.28
  5. Step 5: Solve for x
    x = 395,459,208.28/22,696.60
  6. Step 6: Final answer
    x = 17,423.72

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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.