Home / 14,082.21-19,438.30-8,116.26

Finding the Fourth Proportional to 14,082.21, 19,438.30 and 8,116.26

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Solution

The fourth proportional to 14,082.21, 19,438.30 and 8,116.26 is: 11,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.21 : 19,438.30 = 8,116.26 : x
  2. Step 2: Convert to fraction form
    14,082.21/19,438.30 = 8,116.26/x
  3. Step 3: Cross multiply
    14,082.21x = 19,438.30 × 8,116.26
  4. Step 4: Simplify right side
    14,082.21x = 157,766,199.57
  5. Step 5: Solve for x
    x = 157,766,199.57/14,082.21
  6. Step 6: Final answer
    x = 11,203.23

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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.