Home / 13,768.99-19,001.25-7,481.36

Finding the Fourth Proportional to 13,768.99, 19,001.25 and 7,481.36

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Solution

The fourth proportional to 13,768.99, 19,001.25 and 7,481.36 is: 10,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.99 : 19,001.25 = 7,481.36 : x
  2. Step 2: Convert to fraction form
    13,768.99/19,001.25 = 7,481.36/x
  3. Step 3: Cross multiply
    13,768.99x = 19,001.25 × 7,481.36
  4. Step 4: Simplify right side
    13,768.99x = 142,155,182.35
  5. Step 5: Solve for x
    x = 142,155,182.35/13,768.99
  6. Step 6: Final answer
    x = 10,324.30

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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.