Home / 13,876.00-19,150.90-7,908.26

Finding the Fourth Proportional to 13,876.00, 19,150.90 and 7,908.26

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Solution

The fourth proportional to 13,876.00, 19,150.90 and 7,908.26 is: 10,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.00 : 19,150.90 = 7,908.26 : x
  2. Step 2: Convert to fraction form
    13,876.00/19,150.90 = 7,908.26/x
  3. Step 3: Cross multiply
    13,876.00x = 19,150.90 × 7,908.26
  4. Step 4: Simplify right side
    13,876.00x = 151,450,180.91
  5. Step 5: Solve for x
    x = 151,450,180.91/13,876.00
  6. Step 6: Final answer
    x = 10,914.54

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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.