Home / 13,788.14-19,027.64-7,500.50

Finding the Fourth Proportional to 13,788.14, 19,027.64 and 7,500.50

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Solution

The fourth proportional to 13,788.14, 19,027.64 and 7,500.50 is: 10,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.14 : 19,027.64 = 7,500.50 : x
  2. Step 2: Convert to fraction form
    13,788.14/19,027.64 = 7,500.50/x
  3. Step 3: Cross multiply
    13,788.14x = 19,027.64 × 7,500.50
  4. Step 4: Simplify right side
    13,788.14x = 142,716,813.82
  5. Step 5: Solve for x
    x = 142,716,813.82/13,788.14
  6. Step 6: Final answer
    x = 10,350.69

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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.