Home / 13,788.44-19,027.96-7,500.84

Finding the Fourth Proportional to 13,788.44, 19,027.96 and 7,500.84

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Solution

The fourth proportional to 13,788.44, 19,027.96 and 7,500.84 is: 10,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.44 : 19,027.96 = 7,500.84 : x
  2. Step 2: Convert to fraction form
    13,788.44/19,027.96 = 7,500.84/x
  3. Step 3: Cross multiply
    13,788.44x = 19,027.96 × 7,500.84
  4. Step 4: Simplify right side
    13,788.44x = 142,725,683.49
  5. Step 5: Solve for x
    x = 142,725,683.49/13,788.44
  6. Step 6: Final answer
    x = 10,351.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.