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Finding the Fourth Proportional to 15,091.73, 20,839.02 and 9,795.59

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Solution

The fourth proportional to 15,091.73, 20,839.02 and 9,795.59 is: 13,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.73 : 20,839.02 = 9,795.59 : x
  2. Step 2: Convert to fraction form
    15,091.73/20,839.02 = 9,795.59/x
  3. Step 3: Cross multiply
    15,091.73x = 20,839.02 × 9,795.59
  4. Step 4: Simplify right side
    15,091.73x = 204,130,495.92
  5. Step 5: Solve for x
    x = 204,130,495.92/15,091.73
  6. Step 6: Final answer
    x = 13,525.98

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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.