Home / 19,860.96-29,906.85-14,351.88

Finding the Fourth Proportional to 19,860.96, 29,906.85 and 14,351.88

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Solution

The fourth proportional to 19,860.96, 29,906.85 and 14,351.88 is: 21,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.96 : 29,906.85 = 14,351.88 : x
  2. Step 2: Convert to fraction form
    19,860.96/29,906.85 = 14,351.88/x
  3. Step 3: Cross multiply
    19,860.96x = 29,906.85 × 14,351.88
  4. Step 4: Simplify right side
    19,860.96x = 429,219,522.38
  5. Step 5: Solve for x
    x = 429,219,522.38/19,860.96
  6. Step 6: Final answer
    x = 21,611.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.