Home / 13,806.14-19,052.40-7,518.38

Finding the Fourth Proportional to 13,806.14, 19,052.40 and 7,518.38

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Solution

The fourth proportional to 13,806.14, 19,052.40 and 7,518.38 is: 10,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.14 : 19,052.40 = 7,518.38 : x
  2. Step 2: Convert to fraction form
    13,806.14/19,052.40 = 7,518.38/x
  3. Step 3: Cross multiply
    13,806.14x = 19,052.40 × 7,518.38
  4. Step 4: Simplify right side
    13,806.14x = 143,243,183.11
  5. Step 5: Solve for x
    x = 143,243,183.11/13,806.14
  6. Step 6: Final answer
    x = 10,375.32

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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.