Home / 13,788.17-19,027.60-7,500.54

Finding the Fourth Proportional to 13,788.17, 19,027.60 and 7,500.54

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Solution

The fourth proportional to 13,788.17, 19,027.60 and 7,500.54 is: 10,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.17 : 19,027.60 = 7,500.54 : x
  2. Step 2: Convert to fraction form
    13,788.17/19,027.60 = 7,500.54/x
  3. Step 3: Cross multiply
    13,788.17x = 19,027.60 × 7,500.54
  4. Step 4: Simplify right side
    13,788.17x = 142,717,237.40
  5. Step 5: Solve for x
    x = 142,717,237.40/13,788.17
  6. Step 6: Final answer
    x = 10,350.71

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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.