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Finding the Fourth Proportional to 15,028.80, 22,510.80 and 9,196.80

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Solution

The fourth proportional to 15,028.80, 22,510.80 and 9,196.80 is: 13,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028.80 : 22,510.80 = 9,196.80 : x
  2. Step 2: Convert to fraction form
    15,028.80/22,510.80 = 9,196.80/x
  3. Step 3: Cross multiply
    15,028.80x = 22,510.80 × 9,196.80
  4. Step 4: Simplify right side
    15,028.80x = 207,027,325.44
  5. Step 5: Solve for x
    x = 207,027,325.44/15,028.80
  6. Step 6: Final answer
    x = 13,775.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.