Home / 14,837.34-20,475.77-8,122.85

Finding the Fourth Proportional to 14,837.34, 20,475.77 and 8,122.85

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Solution

The fourth proportional to 14,837.34, 20,475.77 and 8,122.85 is: 11,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.34 : 20,475.77 = 8,122.85 : x
  2. Step 2: Convert to fraction form
    14,837.34/20,475.77 = 8,122.85/x
  3. Step 3: Cross multiply
    14,837.34x = 20,475.77 × 8,122.85
  4. Step 4: Simplify right side
    14,837.34x = 166,321,516.54
  5. Step 5: Solve for x
    x = 166,321,516.54/14,837.34
  6. Step 6: Final answer
    x = 11,209.66

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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.