Home / 13,901.66-19,188.45-12,033.30

Finding the Fourth Proportional to 13,901.66, 19,188.45 and 12,033.30

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Solution

The fourth proportional to 13,901.66, 19,188.45 and 12,033.30 is: 16,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.66 : 19,188.45 = 12,033.30 : x
  2. Step 2: Convert to fraction form
    13,901.66/19,188.45 = 12,033.30/x
  3. Step 3: Cross multiply
    13,901.66x = 19,188.45 × 12,033.30
  4. Step 4: Simplify right side
    13,901.66x = 230,900,375.39
  5. Step 5: Solve for x
    x = 230,900,375.39/13,901.66
  6. Step 6: Final answer
    x = 16,609.56

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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.