Home / 15,126.94-22,690.41-4,739.50

Finding the Fourth Proportional to 15,126.94, 22,690.41 and 4,739.50

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Solution

The fourth proportional to 15,126.94, 22,690.41 and 4,739.50 is: 7,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.94 : 22,690.41 = 4,739.50 : x
  2. Step 2: Convert to fraction form
    15,126.94/22,690.41 = 4,739.50/x
  3. Step 3: Cross multiply
    15,126.94x = 22,690.41 × 4,739.50
  4. Step 4: Simplify right side
    15,126.94x = 107,541,198.20
  5. Step 5: Solve for x
    x = 107,541,198.20/15,126.94
  6. Step 6: Final answer
    x = 7,109.25

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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.