Home / 22,831.33-31,516.94-13,881.69

Finding the Fourth Proportional to 22,831.33, 31,516.94 and 13,881.69

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Solution

The fourth proportional to 22,831.33, 31,516.94 and 13,881.69 is: 19,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.33 : 31,516.94 = 13,881.69 : x
  2. Step 2: Convert to fraction form
    22,831.33/31,516.94 = 13,881.69/x
  3. Step 3: Cross multiply
    22,831.33x = 31,516.94 × 13,881.69
  4. Step 4: Simplify right side
    22,831.33x = 437,508,491.67
  5. Step 5: Solve for x
    x = 437,508,491.67/22,831.33
  6. Step 6: Final answer
    x = 19,162.64

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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.