Home / 17,778.89-26,610.39-13,097.03

Finding the Fourth Proportional to 17,778.89, 26,610.39 and 13,097.03

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Solution

The fourth proportional to 17,778.89, 26,610.39 and 13,097.03 is: 19,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.89 : 26,610.39 = 13,097.03 : x
  2. Step 2: Convert to fraction form
    17,778.89/26,610.39 = 13,097.03/x
  3. Step 3: Cross multiply
    17,778.89x = 26,610.39 × 13,097.03
  4. Step 4: Simplify right side
    17,778.89x = 348,516,943.09
  5. Step 5: Solve for x
    x = 348,516,943.09/17,778.89
  6. Step 6: Final answer
    x = 19,602.85

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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.