Home / 19,831.95-29,738.50-11,514.52

Finding the Fourth Proportional to 19,831.95, 29,738.50 and 11,514.52

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Solution

The fourth proportional to 19,831.95, 29,738.50 and 11,514.52 is: 17,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.95 : 29,738.50 = 11,514.52 : x
  2. Step 2: Convert to fraction form
    19,831.95/29,738.50 = 11,514.52/x
  3. Step 3: Cross multiply
    19,831.95x = 29,738.50 × 11,514.52
  4. Step 4: Simplify right side
    19,831.95x = 342,424,553.02
  5. Step 5: Solve for x
    x = 342,424,553.02/19,831.95
  6. Step 6: Final answer
    x = 17,266.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.