Home / 13,072.70-19,608.14-7,521.95

Finding the Fourth Proportional to 13,072.70, 19,608.14 and 7,521.95

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Solution

The fourth proportional to 13,072.70, 19,608.14 and 7,521.95 is: 11,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.70 : 19,608.14 = 7,521.95 : x
  2. Step 2: Convert to fraction form
    13,072.70/19,608.14 = 7,521.95/x
  3. Step 3: Cross multiply
    13,072.70x = 19,608.14 × 7,521.95
  4. Step 4: Simplify right side
    13,072.70x = 147,491,369.44
  5. Step 5: Solve for x
    x = 147,491,369.44/13,072.70
  6. Step 6: Final answer
    x = 11,282.40

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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.