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Finding the Fourth Proportional to 15,796.19, 21,798.74 and 9,083.13

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Solution

The fourth proportional to 15,796.19, 21,798.74 and 9,083.13 is: 12,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.19 : 21,798.74 = 9,083.13 : x
  2. Step 2: Convert to fraction form
    15,796.19/21,798.74 = 9,083.13/x
  3. Step 3: Cross multiply
    15,796.19x = 21,798.74 × 9,083.13
  4. Step 4: Simplify right side
    15,796.19x = 198,000,789.26
  5. Step 5: Solve for x
    x = 198,000,789.26/15,796.19
  6. Step 6: Final answer
    x = 12,534.72

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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.