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Finding the Fourth Proportional to 14,937.53, 20,606.94 and 8,958.92

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Solution

The fourth proportional to 14,937.53, 20,606.94 and 8,958.92 is: 12,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.53 : 20,606.94 = 8,958.92 : x
  2. Step 2: Convert to fraction form
    14,937.53/20,606.94 = 8,958.92/x
  3. Step 3: Cross multiply
    14,937.53x = 20,606.94 × 8,958.92
  4. Step 4: Simplify right side
    14,937.53x = 184,615,823.87
  5. Step 5: Solve for x
    x = 184,615,823.87/14,937.53
  6. Step 6: Final answer
    x = 12,359.20

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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.