Home / 14,020.35-21,033.54-4,160.31

Finding the Fourth Proportional to 14,020.35, 21,033.54 and 4,160.31

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Solution

The fourth proportional to 14,020.35, 21,033.54 and 4,160.31 is: 6,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.35 : 21,033.54 = 4,160.31 : x
  2. Step 2: Convert to fraction form
    14,020.35/21,033.54 = 4,160.31/x
  3. Step 3: Cross multiply
    14,020.35x = 21,033.54 × 4,160.31
  4. Step 4: Simplify right side
    14,020.35x = 87,506,046.80
  5. Step 5: Solve for x
    x = 87,506,046.80/14,020.35
  6. Step 6: Final answer
    x = 6,241.36

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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.