Home / 14,611.20-20,147.62-9,299.22

Finding the Fourth Proportional to 14,611.20, 20,147.62 and 9,299.22

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Solution

The fourth proportional to 14,611.20, 20,147.62 and 9,299.22 is: 12,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.20 : 20,147.62 = 9,299.22 : x
  2. Step 2: Convert to fraction form
    14,611.20/20,147.62 = 9,299.22/x
  3. Step 3: Cross multiply
    14,611.20x = 20,147.62 × 9,299.22
  4. Step 4: Simplify right side
    14,611.20x = 187,357,150.86
  5. Step 5: Solve for x
    x = 187,357,150.86/14,611.20
  6. Step 6: Final answer
    x = 12,822.84

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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.