Home / 21,555.58-32,273.29-11,002.90

Finding the Fourth Proportional to 21,555.58, 32,273.29 and 11,002.90

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Solution

The fourth proportional to 21,555.58, 32,273.29 and 11,002.90 is: 16,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.58 : 32,273.29 = 11,002.90 : x
  2. Step 2: Convert to fraction form
    21,555.58/32,273.29 = 11,002.90/x
  3. Step 3: Cross multiply
    21,555.58x = 32,273.29 × 11,002.90
  4. Step 4: Simplify right side
    21,555.58x = 355,099,593.67
  5. Step 5: Solve for x
    x = 355,099,593.67/21,555.58
  6. Step 6: Final answer
    x = 16,473.68

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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.