Home / 13,881.13-19,157.82-7,832.62

Finding the Fourth Proportional to 13,881.13, 19,157.82 and 7,832.62

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Solution

The fourth proportional to 13,881.13, 19,157.82 and 7,832.62 is: 10,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.13 : 19,157.82 = 7,832.62 : x
  2. Step 2: Convert to fraction form
    13,881.13/19,157.82 = 7,832.62/x
  3. Step 3: Cross multiply
    13,881.13x = 19,157.82 × 7,832.62
  4. Step 4: Simplify right side
    13,881.13x = 150,055,924.09
  5. Step 5: Solve for x
    x = 150,055,924.09/13,881.13
  6. Step 6: Final answer
    x = 10,810.07

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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.