Home / 17,259.44-25,889.74-4,778.42

Finding the Fourth Proportional to 17,259.44, 25,889.74 and 4,778.42

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Solution

The fourth proportional to 17,259.44, 25,889.74 and 4,778.42 is: 7,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.44 : 25,889.74 = 4,778.42 : x
  2. Step 2: Convert to fraction form
    17,259.44/25,889.74 = 4,778.42/x
  3. Step 3: Cross multiply
    17,259.44x = 25,889.74 × 4,778.42
  4. Step 4: Simplify right side
    17,259.44x = 123,712,051.41
  5. Step 5: Solve for x
    x = 123,712,051.41/17,259.44
  6. Step 6: Final answer
    x = 7,167.79

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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.