Home / 14,163.24-21,228.84-7,132.08

Finding the Fourth Proportional to 14,163.24, 21,228.84 and 7,132.08

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Solution

The fourth proportional to 14,163.24, 21,228.84 and 7,132.08 is: 10,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.24 : 21,228.84 = 7,132.08 : x
  2. Step 2: Convert to fraction form
    14,163.24/21,228.84 = 7,132.08/x
  3. Step 3: Cross multiply
    14,163.24x = 21,228.84 × 7,132.08
  4. Step 4: Simplify right side
    14,163.24x = 151,405,785.19
  5. Step 5: Solve for x
    x = 151,405,785.19/14,163.24
  6. Step 6: Final answer
    x = 10,690.05

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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.