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Finding the Fourth Proportional to 15,103.60, 22,610.60 and 11,225.20

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Solution

The fourth proportional to 15,103.60, 22,610.60 and 11,225.20 is: 16,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.60 : 22,610.60 = 11,225.20 : x
  2. Step 2: Convert to fraction form
    15,103.60/22,610.60 = 11,225.20/x
  3. Step 3: Cross multiply
    15,103.60x = 22,610.60 × 11,225.20
  4. Step 4: Simplify right side
    15,103.60x = 253,808,507.12
  5. Step 5: Solve for x
    x = 253,808,507.12/15,103.60
  6. Step 6: Final answer
    x = 16,804.50

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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.