Home / 13,496.18-18,619.94-9,022.75

Finding the Fourth Proportional to 13,496.18, 18,619.94 and 9,022.75

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Solution

The fourth proportional to 13,496.18, 18,619.94 and 9,022.75 is: 12,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.18 : 18,619.94 = 9,022.75 : x
  2. Step 2: Convert to fraction form
    13,496.18/18,619.94 = 9,022.75/x
  3. Step 3: Cross multiply
    13,496.18x = 18,619.94 × 9,022.75
  4. Step 4: Simplify right side
    13,496.18x = 168,003,039.64
  5. Step 5: Solve for x
    x = 168,003,039.64/13,496.18
  6. Step 6: Final answer
    x = 12,448.20

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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.