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Finding the Fourth Proportional to 13,483.16, 20,201.00 and 12,015.44

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Solution

The fourth proportional to 13,483.16, 20,201.00 and 12,015.44 is: 18,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.16 : 20,201.00 = 12,015.44 : x
  2. Step 2: Convert to fraction form
    13,483.16/20,201.00 = 12,015.44/x
  3. Step 3: Cross multiply
    13,483.16x = 20,201.00 × 12,015.44
  4. Step 4: Simplify right side
    13,483.16x = 242,723,818.11
  5. Step 5: Solve for x
    x = 242,723,818.11/13,483.16
  6. Step 6: Final answer
    x = 18,002.00

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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.