Home / 13,961.36-19,266.62-7,993.02

Finding the Fourth Proportional to 13,961.36, 19,266.62 and 7,993.02

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Solution

The fourth proportional to 13,961.36, 19,266.62 and 7,993.02 is: 11,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.36 : 19,266.62 = 7,993.02 : x
  2. Step 2: Convert to fraction form
    13,961.36/19,266.62 = 7,993.02/x
  3. Step 3: Cross multiply
    13,961.36x = 19,266.62 × 7,993.02
  4. Step 4: Simplify right side
    13,961.36x = 153,998,478.99
  5. Step 5: Solve for x
    x = 153,998,478.99/13,961.36
  6. Step 6: Final answer
    x = 11,030.34

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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.