Home / 19,033.50-28,561.77-7,939.74

Finding the Fourth Proportional to 19,033.50, 28,561.77 and 7,939.74

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Solution

The fourth proportional to 19,033.50, 28,561.77 and 7,939.74 is: 11,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.50 : 28,561.77 = 7,939.74 : x
  2. Step 2: Convert to fraction form
    19,033.50/28,561.77 = 7,939.74/x
  3. Step 3: Cross multiply
    19,033.50x = 28,561.77 × 7,939.74
  4. Step 4: Simplify right side
    19,033.50x = 226,773,027.74
  5. Step 5: Solve for x
    x = 226,773,027.74/19,033.50
  6. Step 6: Final answer
    x = 11,914.42

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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.