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Finding the Fourth Proportional to 14,600.54, 20,149.16 and 8,935.19

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Solution

The fourth proportional to 14,600.54, 20,149.16 and 8,935.19 is: 12,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.54 : 20,149.16 = 8,935.19 : x
  2. Step 2: Convert to fraction form
    14,600.54/20,149.16 = 8,935.19/x
  3. Step 3: Cross multiply
    14,600.54x = 20,149.16 × 8,935.19
  4. Step 4: Simplify right side
    14,600.54x = 180,036,503.08
  5. Step 5: Solve for x
    x = 180,036,503.08/14,600.54
  6. Step 6: Final answer
    x = 12,330.81

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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.