Home / 13,893.03-19,172.38-7,605.41

Finding the Fourth Proportional to 13,893.03, 19,172.38 and 7,605.41

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Solution

The fourth proportional to 13,893.03, 19,172.38 and 7,605.41 is: 10,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.03 : 19,172.38 = 7,605.41 : x
  2. Step 2: Convert to fraction form
    13,893.03/19,172.38 = 7,605.41/x
  3. Step 3: Cross multiply
    13,893.03x = 19,172.38 × 7,605.41
  4. Step 4: Simplify right side
    13,893.03x = 145,813,767.20
  5. Step 5: Solve for x
    x = 145,813,767.20/13,893.03
  6. Step 6: Final answer
    x = 10,495.46

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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.