Home / 20,153.53-27,814.35-12,198.52

Finding the Fourth Proportional to 20,153.53, 27,814.35 and 12,198.52

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Solution

The fourth proportional to 20,153.53, 27,814.35 and 12,198.52 is: 16,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.53 : 27,814.35 = 12,198.52 : x
  2. Step 2: Convert to fraction form
    20,153.53/27,814.35 = 12,198.52/x
  3. Step 3: Cross multiply
    20,153.53x = 27,814.35 × 12,198.52
  4. Step 4: Simplify right side
    20,153.53x = 339,293,904.76
  5. Step 5: Solve for x
    x = 339,293,904.76/20,153.53
  6. Step 6: Final answer
    x = 16,835.46

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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.