Home / 13,305.36-18,361.03-7,336.92

Finding the Fourth Proportional to 13,305.36, 18,361.03 and 7,336.92

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Solution

The fourth proportional to 13,305.36, 18,361.03 and 7,336.92 is: 10,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.36 : 18,361.03 = 7,336.92 : x
  2. Step 2: Convert to fraction form
    13,305.36/18,361.03 = 7,336.92/x
  3. Step 3: Cross multiply
    13,305.36x = 18,361.03 × 7,336.92
  4. Step 4: Simplify right side
    13,305.36x = 134,713,408.23
  5. Step 5: Solve for x
    x = 134,713,408.23/13,305.36
  6. Step 6: Final answer
    x = 10,124.75

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Half scale
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Double scale
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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.