Home / 13,475.75-18,608.00-8,448.39

Finding the Fourth Proportional to 13,475.75, 18,608.00 and 8,448.39

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Solution

The fourth proportional to 13,475.75, 18,608.00 and 8,448.39 is: 11,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.75 : 18,608.00 = 8,448.39 : x
  2. Step 2: Convert to fraction form
    13,475.75/18,608.00 = 8,448.39/x
  3. Step 3: Cross multiply
    13,475.75x = 18,608.00 × 8,448.39
  4. Step 4: Simplify right side
    13,475.75x = 157,207,598.88
  5. Step 5: Solve for x
    x = 157,207,598.88/13,475.75
  6. Step 6: Final answer
    x = 11,665.97

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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.