Home / 13,441.62-18,549.66-7,392.12

Finding the Fourth Proportional to 13,441.62, 18,549.66 and 7,392.12

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Solution

The fourth proportional to 13,441.62, 18,549.66 and 7,392.12 is: 10,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.62 : 18,549.66 = 7,392.12 : x
  2. Step 2: Convert to fraction form
    13,441.62/18,549.66 = 7,392.12/x
  3. Step 3: Cross multiply
    13,441.62x = 18,549.66 × 7,392.12
  4. Step 4: Simplify right side
    13,441.62x = 137,121,312.68
  5. Step 5: Solve for x
    x = 137,121,312.68/13,441.62
  6. Step 6: Final answer
    x = 10,201.25

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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.