Home / 19,942.32-27,522.24-11,984.34

Finding the Fourth Proportional to 19,942.32, 27,522.24 and 11,984.34

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Solution

The fourth proportional to 19,942.32, 27,522.24 and 11,984.34 is: 16,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.32 : 27,522.24 = 11,984.34 : x
  2. Step 2: Convert to fraction form
    19,942.32/27,522.24 = 11,984.34/x
  3. Step 3: Cross multiply
    19,942.32x = 27,522.24 × 11,984.34
  4. Step 4: Simplify right side
    19,942.32x = 329,835,881.72
  5. Step 5: Solve for x
    x = 329,835,881.72/19,942.32
  6. Step 6: Final answer
    x = 16,539.49

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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.