Home / 13,272.76-19,913.66-8,336.62

Finding the Fourth Proportional to 13,272.76, 19,913.66 and 8,336.62

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Solution

The fourth proportional to 13,272.76, 19,913.66 and 8,336.62 is: 12,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.76 : 19,913.66 = 8,336.62 : x
  2. Step 2: Convert to fraction form
    13,272.76/19,913.66 = 8,336.62/x
  3. Step 3: Cross multiply
    13,272.76x = 19,913.66 × 8,336.62
  4. Step 4: Simplify right side
    13,272.76x = 166,012,616.23
  5. Step 5: Solve for x
    x = 166,012,616.23/13,272.76
  6. Step 6: Final answer
    x = 12,507.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.