Home / 36,885.48-55,314.64-13,186.62

Finding the Fourth Proportional to 36,885.48, 55,314.64 and 13,186.62

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Solution

The fourth proportional to 36,885.48, 55,314.64 and 13,186.62 is: 19,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.48 : 55,314.64 = 13,186.62 : x
  2. Step 2: Convert to fraction form
    36,885.48/55,314.64 = 13,186.62/x
  3. Step 3: Cross multiply
    36,885.48x = 55,314.64 × 13,186.62
  4. Step 4: Simplify right side
    36,885.48x = 729,413,138.12
  5. Step 5: Solve for x
    x = 729,413,138.12/36,885.48
  6. Step 6: Final answer
    x = 19,775.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.