Home / 12,993.07-19,481.44-5,492.74

Finding the Fourth Proportional to 12,993.07, 19,481.44 and 5,492.74

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Solution

The fourth proportional to 12,993.07, 19,481.44 and 5,492.74 is: 8,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.07 : 19,481.44 = 5,492.74 : x
  2. Step 2: Convert to fraction form
    12,993.07/19,481.44 = 5,492.74/x
  3. Step 3: Cross multiply
    12,993.07x = 19,481.44 × 5,492.74
  4. Step 4: Simplify right side
    12,993.07x = 107,006,457.28
  5. Step 5: Solve for x
    x = 107,006,457.28/12,993.07
  6. Step 6: Final answer
    x = 8,235.66

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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.