Home / 20,212.42-27,893.45-11,599.99

Finding the Fourth Proportional to 20,212.42, 27,893.45 and 11,599.99

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Solution

The fourth proportional to 20,212.42, 27,893.45 and 11,599.99 is: 16,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.42 : 27,893.45 = 11,599.99 : x
  2. Step 2: Convert to fraction form
    20,212.42/27,893.45 = 11,599.99/x
  3. Step 3: Cross multiply
    20,212.42x = 27,893.45 × 11,599.99
  4. Step 4: Simplify right side
    20,212.42x = 323,563,543.60
  5. Step 5: Solve for x
    x = 323,563,543.60/20,212.42
  6. Step 6: Final answer
    x = 16,008.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.