Home / 36,884.09-55,348.31-13,189.77

Finding the Fourth Proportional to 36,884.09, 55,348.31 and 13,189.77

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Solution

The fourth proportional to 36,884.09, 55,348.31 and 13,189.77 is: 19,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,884.09 : 55,348.31 = 13,189.77 : x
  2. Step 2: Convert to fraction form
    36,884.09/55,348.31 = 13,189.77/x
  3. Step 3: Cross multiply
    36,884.09x = 55,348.31 × 13,189.77
  4. Step 4: Simplify right side
    36,884.09x = 730,031,511.76
  5. Step 5: Solve for x
    x = 730,031,511.76/36,884.09
  6. Step 6: Final answer
    x = 19,792.58

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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.