Home / 19,700.52-27,185.85-10,747.86

Finding the Fourth Proportional to 19,700.52, 27,185.85 and 10,747.86

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Solution

The fourth proportional to 19,700.52, 27,185.85 and 10,747.86 is: 14,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.52 : 27,185.85 = 10,747.86 : x
  2. Step 2: Convert to fraction form
    19,700.52/27,185.85 = 10,747.86/x
  3. Step 3: Cross multiply
    19,700.52x = 27,185.85 × 10,747.86
  4. Step 4: Simplify right side
    19,700.52x = 292,189,709.78
  5. Step 5: Solve for x
    x = 292,189,709.78/19,700.52
  6. Step 6: Final answer
    x = 14,831.57

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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.