Home / 22,696.87-31,319.26-12,623.69

Finding the Fourth Proportional to 22,696.87, 31,319.26 and 12,623.69

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Solution

The fourth proportional to 22,696.87, 31,319.26 and 12,623.69 is: 17,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.87 : 31,319.26 = 12,623.69 : x
  2. Step 2: Convert to fraction form
    22,696.87/31,319.26 = 12,623.69/x
  3. Step 3: Cross multiply
    22,696.87x = 31,319.26 × 12,623.69
  4. Step 4: Simplify right side
    22,696.87x = 395,364,566.15
  5. Step 5: Solve for x
    x = 395,364,566.15/22,696.87
  6. Step 6: Final answer
    x = 17,419.34

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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.