Home / 20,683.44-31,026.72-14,174.16

Finding the Fourth Proportional to 20,683.44, 31,026.72 and 14,174.16

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Solution

The fourth proportional to 20,683.44, 31,026.72 and 14,174.16 is: 21,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.44 : 31,026.72 = 14,174.16 : x
  2. Step 2: Convert to fraction form
    20,683.44/31,026.72 = 14,174.16/x
  3. Step 3: Cross multiply
    20,683.44x = 31,026.72 × 14,174.16
  4. Step 4: Simplify right side
    20,683.44x = 439,777,693.56
  5. Step 5: Solve for x
    x = 439,777,693.56/20,683.44
  6. Step 6: Final answer
    x = 21,262.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.