Home / 14,016.36-21,018.60-5,245.16

Finding the Fourth Proportional to 14,016.36, 21,018.60 and 5,245.16

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Solution

The fourth proportional to 14,016.36, 21,018.60 and 5,245.16 is: 7,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.36 : 21,018.60 = 5,245.16 : x
  2. Step 2: Convert to fraction form
    14,016.36/21,018.60 = 5,245.16/x
  3. Step 3: Cross multiply
    14,016.36x = 21,018.60 × 5,245.16
  4. Step 4: Simplify right side
    14,016.36x = 110,245,919.98
  5. Step 5: Solve for x
    x = 110,245,919.98/14,016.36
  6. Step 6: Final answer
    x = 7,865.52

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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.