Home / 14,352.96-19,789.20-11,845.20

Finding the Fourth Proportional to 14,352.96, 19,789.20 and 11,845.20

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Solution

The fourth proportional to 14,352.96, 19,789.20 and 11,845.20 is: 16,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.96 : 19,789.20 = 11,845.20 : x
  2. Step 2: Convert to fraction form
    14,352.96/19,789.20 = 11,845.20/x
  3. Step 3: Cross multiply
    14,352.96x = 19,789.20 × 11,845.20
  4. Step 4: Simplify right side
    14,352.96x = 234,407,031.84
  5. Step 5: Solve for x
    x = 234,407,031.84/14,352.96
  6. Step 6: Final answer
    x = 16,331.62

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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.