Home / 29,860.50-41,190.35-18,663.06

Finding the Fourth Proportional to 29,860.50, 41,190.35 and 18,663.06

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Solution

The fourth proportional to 29,860.50, 41,190.35 and 18,663.06 is: 25,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860.50 : 41,190.35 = 18,663.06 : x
  2. Step 2: Convert to fraction form
    29,860.50/41,190.35 = 18,663.06/x
  3. Step 3: Cross multiply
    29,860.50x = 41,190.35 × 18,663.06
  4. Step 4: Simplify right side
    29,860.50x = 768,737,973.47
  5. Step 5: Solve for x
    x = 768,737,973.47/29,860.50
  6. Step 6: Final answer
    x = 25,744.31

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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.