Home / 16,867.68-23,255.73-13,831.65

Finding the Fourth Proportional to 16,867.68, 23,255.73 and 13,831.65

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Solution

The fourth proportional to 16,867.68, 23,255.73 and 13,831.65 is: 19,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.68 : 23,255.73 = 13,831.65 : x
  2. Step 2: Convert to fraction form
    16,867.68/23,255.73 = 13,831.65/x
  3. Step 3: Cross multiply
    16,867.68x = 23,255.73 × 13,831.65
  4. Step 4: Simplify right side
    16,867.68x = 321,665,117.85
  5. Step 5: Solve for x
    x = 321,665,117.85/16,867.68
  6. Step 6: Final answer
    x = 19,069.91

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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.