Home / 15,843.29-21,865.64-10,175.94

Finding the Fourth Proportional to 15,843.29, 21,865.64 and 10,175.94

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Solution

The fourth proportional to 15,843.29, 21,865.64 and 10,175.94 is: 14,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.29 : 21,865.64 = 10,175.94 : x
  2. Step 2: Convert to fraction form
    15,843.29/21,865.64 = 10,175.94/x
  3. Step 3: Cross multiply
    15,843.29x = 21,865.64 × 10,175.94
  4. Step 4: Simplify right side
    15,843.29x = 222,503,389.82
  5. Step 5: Solve for x
    x = 222,503,389.82/15,843.29
  6. Step 6: Final answer
    x = 14,044.02

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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.