Home / 13,652.46-18,834.63-8,614.86

Finding the Fourth Proportional to 13,652.46, 18,834.63 and 8,614.86

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Solution

The fourth proportional to 13,652.46, 18,834.63 and 8,614.86 is: 11,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.46 : 18,834.63 = 8,614.86 : x
  2. Step 2: Convert to fraction form
    13,652.46/18,834.63 = 8,614.86/x
  3. Step 3: Cross multiply
    13,652.46x = 18,834.63 × 8,614.86
  4. Step 4: Simplify right side
    13,652.46x = 162,257,700.60
  5. Step 5: Solve for x
    x = 162,257,700.60/13,652.46
  6. Step 6: Final answer
    x = 11,884.87

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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.