Home / 15,626.64-21,564.62-8,553.04

Finding the Fourth Proportional to 15,626.64, 21,564.62 and 8,553.04

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Solution

The fourth proportional to 15,626.64, 21,564.62 and 8,553.04 is: 11,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.64 : 21,564.62 = 8,553.04 : x
  2. Step 2: Convert to fraction form
    15,626.64/21,564.62 = 8,553.04/x
  3. Step 3: Cross multiply
    15,626.64x = 21,564.62 × 8,553.04
  4. Step 4: Simplify right side
    15,626.64x = 184,443,057.44
  5. Step 5: Solve for x
    x = 184,443,057.44/15,626.64
  6. Step 6: Final answer
    x = 11,803.12

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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.