Home / 13,082.10-18,055.09-9,933.30

Finding the Fourth Proportional to 13,082.10, 18,055.09 and 9,933.30

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Solution

The fourth proportional to 13,082.10, 18,055.09 and 9,933.30 is: 13,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.10 : 18,055.09 = 9,933.30 : x
  2. Step 2: Convert to fraction form
    13,082.10/18,055.09 = 9,933.30/x
  3. Step 3: Cross multiply
    13,082.10x = 18,055.09 × 9,933.30
  4. Step 4: Simplify right side
    13,082.10x = 179,346,625.50
  5. Step 5: Solve for x
    x = 179,346,625.50/13,082.10
  6. Step 6: Final answer
    x = 13,709.31

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Similar ratio
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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.