Home / 14,015.16-21,049.47-11,259.54

Finding the Fourth Proportional to 14,015.16, 21,049.47 and 11,259.54

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Solution

The fourth proportional to 14,015.16, 21,049.47 and 11,259.54 is: 16,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.16 : 21,049.47 = 11,259.54 : x
  2. Step 2: Convert to fraction form
    14,015.16/21,049.47 = 11,259.54/x
  3. Step 3: Cross multiply
    14,015.16x = 21,049.47 × 11,259.54
  4. Step 4: Simplify right side
    14,015.16x = 237,007,349.44
  5. Step 5: Solve for x
    x = 237,007,349.44/14,015.16
  6. Step 6: Final answer
    x = 16,910.78

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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.