Home / 13,204.25-18,230.15-8,496.71

Finding the Fourth Proportional to 13,204.25, 18,230.15 and 8,496.71

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Solution

The fourth proportional to 13,204.25, 18,230.15 and 8,496.71 is: 11,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.25 : 18,230.15 = 8,496.71 : x
  2. Step 2: Convert to fraction form
    13,204.25/18,230.15 = 8,496.71/x
  3. Step 3: Cross multiply
    13,204.25x = 18,230.15 × 8,496.71
  4. Step 4: Simplify right side
    13,204.25x = 154,896,297.81
  5. Step 5: Solve for x
    x = 154,896,297.81/13,204.25
  6. Step 6: Final answer
    x = 11,730.79

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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.