Home / 13,467.60-18,584.64-8,436.96

Finding the Fourth Proportional to 13,467.60, 18,584.64 and 8,436.96

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Solution

The fourth proportional to 13,467.60, 18,584.64 and 8,436.96 is: 11,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.60 : 18,584.64 = 8,436.96 : x
  2. Step 2: Convert to fraction form
    13,467.60/18,584.64 = 8,436.96/x
  3. Step 3: Cross multiply
    13,467.60x = 18,584.64 × 8,436.96
  4. Step 4: Simplify right side
    13,467.60x = 156,797,864.29
  5. Step 5: Solve for x
    x = 156,797,864.29/13,467.60
  6. Step 6: Final answer
    x = 11,642.60

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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.