Home / 14,021.70-21,032.40-4,161.06

Finding the Fourth Proportional to 14,021.70, 21,032.40 and 4,161.06

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Solution

The fourth proportional to 14,021.70, 21,032.40 and 4,161.06 is: 6,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.70 : 21,032.40 = 4,161.06 : x
  2. Step 2: Convert to fraction form
    14,021.70/21,032.40 = 4,161.06/x
  3. Step 3: Cross multiply
    14,021.70x = 21,032.40 × 4,161.06
  4. Step 4: Simplify right side
    14,021.70x = 87,517,078.34
  5. Step 5: Solve for x
    x = 87,517,078.34/14,021.70
  6. Step 6: Final answer
    x = 6,241.55

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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.