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Finding the Fourth Proportional to 15,796.37, 21,800.13 and 9,084.11

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Solution

The fourth proportional to 15,796.37, 21,800.13 and 9,084.11 is: 12,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.37 : 21,800.13 = 9,084.11 : x
  2. Step 2: Convert to fraction form
    15,796.37/21,800.13 = 9,084.11/x
  3. Step 3: Cross multiply
    15,796.37x = 21,800.13 × 9,084.11
  4. Step 4: Simplify right side
    15,796.37x = 198,034,669.93
  5. Step 5: Solve for x
    x = 198,034,669.93/15,796.37
  6. Step 6: Final answer
    x = 12,536.72

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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.