Home / 19,039.73-28,558.88-4,999.63

Finding the Fourth Proportional to 19,039.73, 28,558.88 and 4,999.63

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Solution

The fourth proportional to 19,039.73, 28,558.88 and 4,999.63 is: 7,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.73 : 28,558.88 = 4,999.63 : x
  2. Step 2: Convert to fraction form
    19,039.73/28,558.88 = 4,999.63/x
  3. Step 3: Cross multiply
    19,039.73x = 28,558.88 × 4,999.63
  4. Step 4: Simplify right side
    19,039.73x = 142,783,833.21
  5. Step 5: Solve for x
    x = 142,783,833.21/19,039.73
  6. Step 6: Final answer
    x = 7,499.26

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Similar ratio
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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.