Home / 19,831.42-27,367.95-10,879.48

Finding the Fourth Proportional to 19,831.42, 27,367.95 and 10,879.48

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Solution

The fourth proportional to 19,831.42, 27,367.95 and 10,879.48 is: 15,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.42 : 27,367.95 = 10,879.48 : x
  2. Step 2: Convert to fraction form
    19,831.42/27,367.95 = 10,879.48/x
  3. Step 3: Cross multiply
    19,831.42x = 27,367.95 × 10,879.48
  4. Step 4: Simplify right side
    19,831.42x = 297,749,064.67
  5. Step 5: Solve for x
    x = 297,749,064.67/19,831.42
  6. Step 6: Final answer
    x = 15,014.01

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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.