Home / 15,809.52-21,817.56-9,096.44

Finding the Fourth Proportional to 15,809.52, 21,817.56 and 9,096.44

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Solution

The fourth proportional to 15,809.52, 21,817.56 and 9,096.44 is: 12,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.52 : 21,817.56 = 9,096.44 : x
  2. Step 2: Convert to fraction form
    15,809.52/21,817.56 = 9,096.44/x
  3. Step 3: Cross multiply
    15,809.52x = 21,817.56 × 9,096.44
  4. Step 4: Simplify right side
    15,809.52x = 198,462,125.49
  5. Step 5: Solve for x
    x = 198,462,125.49/15,809.52
  6. Step 6: Final answer
    x = 12,553.33

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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.