Home / 22,231.70-30,683.85-14,283.86

Finding the Fourth Proportional to 22,231.70, 30,683.85 and 14,283.86

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Solution

The fourth proportional to 22,231.70, 30,683.85 and 14,283.86 is: 19,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.70 : 30,683.85 = 14,283.86 : x
  2. Step 2: Convert to fraction form
    22,231.70/30,683.85 = 14,283.86/x
  3. Step 3: Cross multiply
    22,231.70x = 30,683.85 × 14,283.86
  4. Step 4: Simplify right side
    22,231.70x = 438,283,817.66
  5. Step 5: Solve for x
    x = 438,283,817.66/22,231.70
  6. Step 6: Final answer
    x = 19,714.36

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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.