Home / 13,837.41-19,090.62-8,530.29

Finding the Fourth Proportional to 13,837.41, 19,090.62 and 8,530.29

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Solution

The fourth proportional to 13,837.41, 19,090.62 and 8,530.29 is: 11,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.41 : 19,090.62 = 8,530.29 : x
  2. Step 2: Convert to fraction form
    13,837.41/19,090.62 = 8,530.29/x
  3. Step 3: Cross multiply
    13,837.41x = 19,090.62 × 8,530.29
  4. Step 4: Simplify right side
    13,837.41x = 162,848,524.88
  5. Step 5: Solve for x
    x = 162,848,524.88/13,837.41
  6. Step 6: Final answer
    x = 11,768.71

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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.