Home / 23,219.86-34,831.64-13,923.32

Finding the Fourth Proportional to 23,219.86, 34,831.64 and 13,923.32

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Solution

The fourth proportional to 23,219.86, 34,831.64 and 13,923.32 is: 20,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,219.86 : 34,831.64 = 13,923.32 : x
  2. Step 2: Convert to fraction form
    23,219.86/34,831.64 = 13,923.32/x
  3. Step 3: Cross multiply
    23,219.86x = 34,831.64 × 13,923.32
  4. Step 4: Simplify right side
    23,219.86x = 484,972,069.84
  5. Step 5: Solve for x
    x = 484,972,069.84/23,219.86
  6. Step 6: Final answer
    x = 20,886.09

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1.5x scale

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.