Home / 19,612.98-29,420.82-7,926.03

Finding the Fourth Proportional to 19,612.98, 29,420.82 and 7,926.03

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Solution

The fourth proportional to 19,612.98, 29,420.82 and 7,926.03 is: 11,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.98 : 29,420.82 = 7,926.03 : x
  2. Step 2: Convert to fraction form
    19,612.98/29,420.82 = 7,926.03/x
  3. Step 3: Cross multiply
    19,612.98x = 29,420.82 × 7,926.03
  4. Step 4: Simplify right side
    19,612.98x = 233,190,301.94
  5. Step 5: Solve for x
    x = 233,190,301.94/19,612.98
  6. Step 6: Final answer
    x = 11,889.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.