Home / 13,441.08-18,532.62-8,723.64

Finding the Fourth Proportional to 13,441.08, 18,532.62 and 8,723.64

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Solution

The fourth proportional to 13,441.08, 18,532.62 and 8,723.64 is: 12,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.08 : 18,532.62 = 8,723.64 : x
  2. Step 2: Convert to fraction form
    13,441.08/18,532.62 = 8,723.64/x
  3. Step 3: Cross multiply
    13,441.08x = 18,532.62 × 8,723.64
  4. Step 4: Simplify right side
    13,441.08x = 161,671,905.14
  5. Step 5: Solve for x
    x = 161,671,905.14/13,441.08
  6. Step 6: Final answer
    x = 12,028.19

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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.