Home / 19,201.18-26,498.19-11,242.66

Finding the Fourth Proportional to 19,201.18, 26,498.19 and 11,242.66

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Solution

The fourth proportional to 19,201.18, 26,498.19 and 11,242.66 is: 15,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.18 : 26,498.19 = 11,242.66 : x
  2. Step 2: Convert to fraction form
    19,201.18/26,498.19 = 11,242.66/x
  3. Step 3: Cross multiply
    19,201.18x = 26,498.19 × 11,242.66
  4. Step 4: Simplify right side
    19,201.18x = 297,910,140.79
  5. Step 5: Solve for x
    x = 297,910,140.79/19,201.18
  6. Step 6: Final answer
    x = 15,515.20

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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.