Home / 14,174.11-19,557.75-8,205.49

Finding the Fourth Proportional to 14,174.11, 19,557.75 and 8,205.49

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Solution

The fourth proportional to 14,174.11, 19,557.75 and 8,205.49 is: 11,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.11 : 19,557.75 = 8,205.49 : x
  2. Step 2: Convert to fraction form
    14,174.11/19,557.75 = 8,205.49/x
  3. Step 3: Cross multiply
    14,174.11x = 19,557.75 × 8,205.49
  4. Step 4: Simplify right side
    14,174.11x = 160,480,922.05
  5. Step 5: Solve for x
    x = 160,480,922.05/14,174.11
  6. Step 6: Final answer
    x = 11,322.12

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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.