Home / 13,993.67-19,312.94-8,025.33

Finding the Fourth Proportional to 13,993.67, 19,312.94 and 8,025.33

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Solution

The fourth proportional to 13,993.67, 19,312.94 and 8,025.33 is: 11,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.67 : 19,312.94 = 8,025.33 : x
  2. Step 2: Convert to fraction form
    13,993.67/19,312.94 = 8,025.33/x
  3. Step 3: Cross multiply
    13,993.67x = 19,312.94 × 8,025.33
  4. Step 4: Simplify right side
    13,993.67x = 154,992,716.77
  5. Step 5: Solve for x
    x = 154,992,716.77/13,993.67
  6. Step 6: Final answer
    x = 11,075.92

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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.