Home / 19,131.24-26,400.42-10,747.56

Finding the Fourth Proportional to 19,131.24, 26,400.42 and 10,747.56

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Solution

The fourth proportional to 19,131.24, 26,400.42 and 10,747.56 is: 14,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.24 : 26,400.42 = 10,747.56 : x
  2. Step 2: Convert to fraction form
    19,131.24/26,400.42 = 10,747.56/x
  3. Step 3: Cross multiply
    19,131.24x = 26,400.42 × 10,747.56
  4. Step 4: Simplify right side
    19,131.24x = 283,740,097.98
  5. Step 5: Solve for x
    x = 283,740,097.98/19,131.24
  6. Step 6: Final answer
    x = 14,831.24

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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.