Home / 13,914.36-19,201.44-7,945.08

Finding the Fourth Proportional to 13,914.36, 19,201.44 and 7,945.08

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Solution

The fourth proportional to 13,914.36, 19,201.44 and 7,945.08 is: 10,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.36 : 19,201.44 = 7,945.08 : x
  2. Step 2: Convert to fraction form
    13,914.36/19,201.44 = 7,945.08/x
  3. Step 3: Cross multiply
    13,914.36x = 19,201.44 × 7,945.08
  4. Step 4: Simplify right side
    13,914.36x = 152,556,976.92
  5. Step 5: Solve for x
    x = 152,556,976.92/13,914.36
  6. Step 6: Final answer
    x = 10,964.00

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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.