Home / 19,131.27-26,403.62-10,749.39

Finding the Fourth Proportional to 19,131.27, 26,403.62 and 10,749.39

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Solution

The fourth proportional to 19,131.27, 26,403.62 and 10,749.39 is: 14,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.27 : 26,403.62 = 10,749.39 : x
  2. Step 2: Convert to fraction form
    19,131.27/26,403.62 = 10,749.39/x
  3. Step 3: Cross multiply
    19,131.27x = 26,403.62 × 10,749.39
  4. Step 4: Simplify right side
    19,131.27x = 283,822,755.04
  5. Step 5: Solve for x
    x = 283,822,755.04/19,131.27
  6. Step 6: Final answer
    x = 14,835.54

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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.