Home / 21,723.12-32,576.28-9,249.02

Finding the Fourth Proportional to 21,723.12, 32,576.28 and 9,249.02

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Solution

The fourth proportional to 21,723.12, 32,576.28 and 9,249.02 is: 13,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.12 : 32,576.28 = 9,249.02 : x
  2. Step 2: Convert to fraction form
    21,723.12/32,576.28 = 9,249.02/x
  3. Step 3: Cross multiply
    21,723.12x = 32,576.28 × 9,249.02
  4. Step 4: Simplify right side
    21,723.12x = 301,298,589.84
  5. Step 5: Solve for x
    x = 301,298,589.84/21,723.12
  6. Step 6: Final answer
    x = 13,869.95

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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.