Home / 12,492.96-18,744.69-11,441.79

Finding the Fourth Proportional to 12,492.96, 18,744.69 and 11,441.79

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Solution

The fourth proportional to 12,492.96, 18,744.69 and 11,441.79 is: 17,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.96 : 18,744.69 = 11,441.79 : x
  2. Step 2: Convert to fraction form
    12,492.96/18,744.69 = 11,441.79/x
  3. Step 3: Cross multiply
    12,492.96x = 18,744.69 × 11,441.79
  4. Step 4: Simplify right side
    12,492.96x = 214,472,806.60
  5. Step 5: Solve for x
    x = 214,472,806.60/12,492.96
  6. Step 6: Final answer
    x = 17,167.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.