Home / 53,197.64-79,799.19-13,755.09

Finding the Fourth Proportional to 53,197.64, 79,799.19 and 13,755.09

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Solution

The fourth proportional to 53,197.64, 79,799.19 and 13,755.09 is: 20,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.64 : 79,799.19 = 13,755.09 : x
  2. Step 2: Convert to fraction form
    53,197.64/79,799.19 = 13,755.09/x
  3. Step 3: Cross multiply
    53,197.64x = 79,799.19 × 13,755.09
  4. Step 4: Simplify right side
    53,197.64x = 1,097,645,040.38
  5. Step 5: Solve for x
    x = 1,097,645,040.38/53,197.64
  6. Step 6: Final answer
    x = 20,633.34

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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.