Home / 13,983.03-19,297.94-10,440.09

Finding the Fourth Proportional to 13,983.03, 19,297.94 and 10,440.09

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Solution

The fourth proportional to 13,983.03, 19,297.94 and 10,440.09 is: 14,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.03 : 19,297.94 = 10,440.09 : x
  2. Step 2: Convert to fraction form
    13,983.03/19,297.94 = 10,440.09/x
  3. Step 3: Cross multiply
    13,983.03x = 19,297.94 × 10,440.09
  4. Step 4: Simplify right side
    13,983.03x = 201,472,230.41
  5. Step 5: Solve for x
    x = 201,472,230.41/13,983.03
  6. Step 6: Final answer
    x = 14,408.34

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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.