Home / 14,082.03-19,431.03-8,112.53

Finding the Fourth Proportional to 14,082.03, 19,431.03 and 8,112.53

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Solution

The fourth proportional to 14,082.03, 19,431.03 and 8,112.53 is: 11,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.03 : 19,431.03 = 8,112.53 : x
  2. Step 2: Convert to fraction form
    14,082.03/19,431.03 = 8,112.53/x
  3. Step 3: Cross multiply
    14,082.03x = 19,431.03 × 8,112.53
  4. Step 4: Simplify right side
    14,082.03x = 157,634,813.81
  5. Step 5: Solve for x
    x = 157,634,813.81/14,082.03
  6. Step 6: Final answer
    x = 11,194.04

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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.