Home / 14,242.56-21,362.22-3,855.12

Finding the Fourth Proportional to 14,242.56, 21,362.22 and 3,855.12

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Solution

The fourth proportional to 14,242.56, 21,362.22 and 3,855.12 is: 5,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.56 : 21,362.22 = 3,855.12 : x
  2. Step 2: Convert to fraction form
    14,242.56/21,362.22 = 3,855.12/x
  3. Step 3: Cross multiply
    14,242.56x = 21,362.22 × 3,855.12
  4. Step 4: Simplify right side
    14,242.56x = 82,353,921.57
  5. Step 5: Solve for x
    x = 82,353,921.57/14,242.56
  6. Step 6: Final answer
    x = 5,782.24

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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.