Home / 19,327.50-28,991.26-4,735.50

Finding the Fourth Proportional to 19,327.50, 28,991.26 and 4,735.50

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Solution

The fourth proportional to 19,327.50, 28,991.26 and 4,735.50 is: 7,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.50 : 28,991.26 = 4,735.50 : x
  2. Step 2: Convert to fraction form
    19,327.50/28,991.26 = 4,735.50/x
  3. Step 3: Cross multiply
    19,327.50x = 28,991.26 × 4,735.50
  4. Step 4: Simplify right side
    19,327.50x = 137,288,111.73
  5. Step 5: Solve for x
    x = 137,288,111.73/19,327.50
  6. Step 6: Final answer
    x = 7,103.25

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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.