Home / 13,067.17-19,603.11-4,758.85

Finding the Fourth Proportional to 13,067.17, 19,603.11 and 4,758.85

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Solution

The fourth proportional to 13,067.17, 19,603.11 and 4,758.85 is: 7,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.17 : 19,603.11 = 4,758.85 : x
  2. Step 2: Convert to fraction form
    13,067.17/19,603.11 = 4,758.85/x
  3. Step 3: Cross multiply
    13,067.17x = 19,603.11 × 4,758.85
  4. Step 4: Simplify right side
    13,067.17x = 93,288,302.37
  5. Step 5: Solve for x
    x = 93,288,302.37/13,067.17
  6. Step 6: Final answer
    x = 7,139.14

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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.