Home / 20,020.42-27,611.40-14,996.44

Finding the Fourth Proportional to 20,020.42, 27,611.40 and 14,996.44

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Solution

The fourth proportional to 20,020.42, 27,611.40 and 14,996.44 is: 20,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.42 : 27,611.40 = 14,996.44 : x
  2. Step 2: Convert to fraction form
    20,020.42/27,611.40 = 14,996.44/x
  3. Step 3: Cross multiply
    20,020.42x = 27,611.40 × 14,996.44
  4. Step 4: Simplify right side
    20,020.42x = 414,072,703.42
  5. Step 5: Solve for x
    x = 414,072,703.42/20,020.42
  6. Step 6: Final answer
    x = 20,682.52

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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.