Home / 14,851.38-20,495.52-8,137.59

Finding the Fourth Proportional to 14,851.38, 20,495.52 and 8,137.59

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Solution

The fourth proportional to 14,851.38, 20,495.52 and 8,137.59 is: 11,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.38 : 20,495.52 = 8,137.59 : x
  2. Step 2: Convert to fraction form
    14,851.38/20,495.52 = 8,137.59/x
  3. Step 3: Cross multiply
    14,851.38x = 20,495.52 × 8,137.59
  4. Step 4: Simplify right side
    14,851.38x = 166,784,138.60
  5. Step 5: Solve for x
    x = 166,784,138.60/14,851.38
  6. Step 6: Final answer
    x = 11,230.21

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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.