Home / 13,388.08-20,082.60-5,066.12

Finding the Fourth Proportional to 13,388.08, 20,082.60 and 5,066.12

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Solution

The fourth proportional to 13,388.08, 20,082.60 and 5,066.12 is: 7,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.08 : 20,082.60 = 5,066.12 : x
  2. Step 2: Convert to fraction form
    13,388.08/20,082.60 = 5,066.12/x
  3. Step 3: Cross multiply
    13,388.08x = 20,082.60 × 5,066.12
  4. Step 4: Simplify right side
    13,388.08x = 101,740,861.51
  5. Step 5: Solve for x
    x = 101,740,861.51/13,388.08
  6. Step 6: Final answer
    x = 7,599.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.