Home / 14,220.56-21,329.40-3,833.36

Finding the Fourth Proportional to 14,220.56, 21,329.40 and 3,833.36

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Solution

The fourth proportional to 14,220.56, 21,329.40 and 3,833.36 is: 5,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.56 : 21,329.40 = 3,833.36 : x
  2. Step 2: Convert to fraction form
    14,220.56/21,329.40 = 3,833.36/x
  3. Step 3: Cross multiply
    14,220.56x = 21,329.40 × 3,833.36
  4. Step 4: Simplify right side
    14,220.56x = 81,763,268.78
  5. Step 5: Solve for x
    x = 81,763,268.78/14,220.56
  6. Step 6: Final answer
    x = 5,749.65

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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.