Home / 15,666.03-21,619.62-8,592.44

Finding the Fourth Proportional to 15,666.03, 21,619.62 and 8,592.44

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Solution

The fourth proportional to 15,666.03, 21,619.62 and 8,592.44 is: 11,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.03 : 21,619.62 = 8,592.44 : x
  2. Step 2: Convert to fraction form
    15,666.03/21,619.62 = 8,592.44/x
  3. Step 3: Cross multiply
    15,666.03x = 21,619.62 × 8,592.44
  4. Step 4: Simplify right side
    15,666.03x = 185,765,179.57
  5. Step 5: Solve for x
    x = 185,765,179.57/15,666.03
  6. Step 6: Final answer
    x = 11,857.83

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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.