Home / 14,010.19-21,015.35-4,149.66

Finding the Fourth Proportional to 14,010.19, 21,015.35 and 4,149.66

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Solution

The fourth proportional to 14,010.19, 21,015.35 and 4,149.66 is: 6,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.19 : 21,015.35 = 4,149.66 : x
  2. Step 2: Convert to fraction form
    14,010.19/21,015.35 = 4,149.66/x
  3. Step 3: Cross multiply
    14,010.19x = 21,015.35 × 4,149.66
  4. Step 4: Simplify right side
    14,010.19x = 87,206,452.20
  5. Step 5: Solve for x
    x = 87,206,452.20/14,010.19
  6. Step 6: Final answer
    x = 6,224.50

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Double scale
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Similar ratio
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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.