Home / 21,855.72-32,693.37-16,550.88

Finding the Fourth Proportional to 21,855.72, 32,693.37 and 16,550.88

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Solution

The fourth proportional to 21,855.72, 32,693.37 and 16,550.88 is: 24,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855.72 : 32,693.37 = 16,550.88 : x
  2. Step 2: Convert to fraction form
    21,855.72/32,693.37 = 16,550.88/x
  3. Step 3: Cross multiply
    21,855.72x = 32,693.37 × 16,550.88
  4. Step 4: Simplify right side
    21,855.72x = 541,104,136.00
  5. Step 5: Solve for x
    x = 541,104,136.00/21,855.72
  6. Step 6: Final answer
    x = 24,758.01

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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.