Home / 22,831.94-31,505.86-14,331.34

Finding the Fourth Proportional to 22,831.94, 31,505.86 and 14,331.34

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Solution

The fourth proportional to 22,831.94, 31,505.86 and 14,331.34 is: 19,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.94 : 31,505.86 = 14,331.34 : x
  2. Step 2: Convert to fraction form
    22,831.94/31,505.86 = 14,331.34/x
  3. Step 3: Cross multiply
    22,831.94x = 31,505.86 × 14,331.34
  4. Step 4: Simplify right side
    22,831.94x = 451,521,191.65
  5. Step 5: Solve for x
    x = 451,521,191.65/22,831.94
  6. Step 6: Final answer
    x = 19,775.86

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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.