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Finding the Fourth Proportional to 15,797.94, 21,801.16 and 9,084.88

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Solution

The fourth proportional to 15,797.94, 21,801.16 and 9,084.88 is: 12,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.94 : 21,801.16 = 9,084.88 : x
  2. Step 2: Convert to fraction form
    15,797.94/21,801.16 = 9,084.88/x
  3. Step 3: Cross multiply
    15,797.94x = 21,801.16 × 9,084.88
  4. Step 4: Simplify right side
    15,797.94x = 198,060,922.46
  5. Step 5: Solve for x
    x = 198,060,922.46/15,797.94
  6. Step 6: Final answer
    x = 12,537.14

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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.