Home / 13,523.24-18,662.96-7,555.16

Finding the Fourth Proportional to 13,523.24, 18,662.96 and 7,555.16

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Solution

The fourth proportional to 13,523.24, 18,662.96 and 7,555.16 is: 10,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.24 : 18,662.96 = 7,555.16 : x
  2. Step 2: Convert to fraction form
    13,523.24/18,662.96 = 7,555.16/x
  3. Step 3: Cross multiply
    13,523.24x = 18,662.96 × 7,555.16
  4. Step 4: Simplify right side
    13,523.24x = 141,001,517.78
  5. Step 5: Solve for x
    x = 141,001,517.78/13,523.24
  6. Step 6: Final answer
    x = 10,426.61

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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.