Home / 15,897.26-21,936.60-9,185.04

Finding the Fourth Proportional to 15,897.26, 21,936.60 and 9,185.04

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Solution

The fourth proportional to 15,897.26, 21,936.60 and 9,185.04 is: 12,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.26 : 21,936.60 = 9,185.04 : x
  2. Step 2: Convert to fraction form
    15,897.26/21,936.60 = 9,185.04/x
  3. Step 3: Cross multiply
    15,897.26x = 21,936.60 × 9,185.04
  4. Step 4: Simplify right side
    15,897.26x = 201,488,548.46
  5. Step 5: Solve for x
    x = 201,488,548.46/15,897.26
  6. Step 6: Final answer
    x = 12,674.42

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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.