Home / 15,893.25-21,936.72-10,859.51

Finding the Fourth Proportional to 15,893.25, 21,936.72 and 10,859.51

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Solution

The fourth proportional to 15,893.25, 21,936.72 and 10,859.51 is: 14,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,893.25 : 21,936.72 = 10,859.51 : x
  2. Step 2: Convert to fraction form
    15,893.25/21,936.72 = 10,859.51/x
  3. Step 3: Cross multiply
    15,893.25x = 21,936.72 × 10,859.51
  4. Step 4: Simplify right side
    15,893.25x = 238,222,030.21
  5. Step 5: Solve for x
    x = 238,222,030.21/15,893.25
  6. Step 6: Final answer
    x = 14,988.88

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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.