Home / 29,198.75-40,294.26-15,770.00

Finding the Fourth Proportional to 29,198.75, 40,294.26 and 15,770.00

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Solution

The fourth proportional to 29,198.75, 40,294.26 and 15,770.00 is: 21,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.75 : 40,294.26 = 15,770.00 : x
  2. Step 2: Convert to fraction form
    29,198.75/40,294.26 = 15,770.00/x
  3. Step 3: Cross multiply
    29,198.75x = 40,294.26 × 15,770.00
  4. Step 4: Simplify right side
    29,198.75x = 635,440,278.73
  5. Step 5: Solve for x
    x = 635,440,278.73/29,198.75
  6. Step 6: Final answer
    x = 21,762.59

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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.