Home / 13,913.08-19,197.22-8,245.33

Finding the Fourth Proportional to 13,913.08, 19,197.22 and 8,245.33

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Solution

The fourth proportional to 13,913.08, 19,197.22 and 8,245.33 is: 11,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.08 : 19,197.22 = 8,245.33 : x
  2. Step 2: Convert to fraction form
    13,913.08/19,197.22 = 8,245.33/x
  3. Step 3: Cross multiply
    13,913.08x = 19,197.22 × 8,245.33
  4. Step 4: Simplify right side
    13,913.08x = 158,287,372.76
  5. Step 5: Solve for x
    x = 158,287,372.76/13,913.08
  6. Step 6: Final answer
    x = 11,376.88

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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.