Home / 21,525.68-32,163.88-16,500.56

Finding the Fourth Proportional to 21,525.68, 32,163.88 and 16,500.56

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Solution

The fourth proportional to 21,525.68, 32,163.88 and 16,500.56 is: 24,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.68 : 32,163.88 = 16,500.56 : x
  2. Step 2: Convert to fraction form
    21,525.68/32,163.88 = 16,500.56/x
  3. Step 3: Cross multiply
    21,525.68x = 32,163.88 × 16,500.56
  4. Step 4: Simplify right side
    21,525.68x = 530,722,031.77
  5. Step 5: Solve for x
    x = 530,722,031.77/21,525.68
  6. Step 6: Final answer
    x = 24,655.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.