Home / 19,131.39-26,400.89-11,064.44

Finding the Fourth Proportional to 19,131.39, 26,400.89 and 11,064.44

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Solution

The fourth proportional to 19,131.39, 26,400.89 and 11,064.44 is: 15,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.39 : 26,400.89 = 11,064.44 : x
  2. Step 2: Convert to fraction form
    19,131.39/26,400.89 = 11,064.44/x
  3. Step 3: Cross multiply
    19,131.39x = 26,400.89 × 11,064.44
  4. Step 4: Simplify right side
    19,131.39x = 292,110,876.02
  5. Step 5: Solve for x
    x = 292,110,876.02/19,131.39
  6. Step 6: Final answer
    x = 15,268.67

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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.