Home / 22,903.20-31,607.33-12,831.73

Finding the Fourth Proportional to 22,903.20, 31,607.33 and 12,831.73

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Solution

The fourth proportional to 22,903.20, 31,607.33 and 12,831.73 is: 17,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.20 : 31,607.33 = 12,831.73 : x
  2. Step 2: Convert to fraction form
    22,903.20/31,607.33 = 12,831.73/x
  3. Step 3: Cross multiply
    22,903.20x = 31,607.33 × 12,831.73
  4. Step 4: Simplify right side
    22,903.20x = 405,576,502.39
  5. Step 5: Solve for x
    x = 405,576,502.39/22,903.20
  6. Step 6: Final answer
    x = 17,708.29

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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.