Home / 19,180.41-26,458.83-13,201.70

Finding the Fourth Proportional to 19,180.41, 26,458.83 and 13,201.70

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Solution

The fourth proportional to 19,180.41, 26,458.83 and 13,201.70 is: 18,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.41 : 26,458.83 = 13,201.70 : x
  2. Step 2: Convert to fraction form
    19,180.41/26,458.83 = 13,201.70/x
  3. Step 3: Cross multiply
    19,180.41x = 26,458.83 × 13,201.70
  4. Step 4: Simplify right side
    19,180.41x = 349,301,403.72
  5. Step 5: Solve for x
    x = 349,301,403.72/19,180.41
  6. Step 6: Final answer
    x = 18,211.36

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1.5x scale

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.