Home / 13,993.82-19,312.28-8,025.44

Finding the Fourth Proportional to 13,993.82, 19,312.28 and 8,025.44

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Solution

The fourth proportional to 13,993.82, 19,312.28 and 8,025.44 is: 11,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.82 : 19,312.28 = 8,025.44 : x
  2. Step 2: Convert to fraction form
    13,993.82/19,312.28 = 8,025.44/x
  3. Step 3: Cross multiply
    13,993.82x = 19,312.28 × 8,025.44
  4. Step 4: Simplify right side
    13,993.82x = 154,989,544.40
  5. Step 5: Solve for x
    x = 154,989,544.40/13,993.82
  6. Step 6: Final answer
    x = 11,075.57

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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.