Home / 19,696.45-27,181.27-10,743.99

Finding the Fourth Proportional to 19,696.45, 27,181.27 and 10,743.99

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Solution

The fourth proportional to 19,696.45, 27,181.27 and 10,743.99 is: 14,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.45 : 27,181.27 = 10,743.99 : x
  2. Step 2: Convert to fraction form
    19,696.45/27,181.27 = 10,743.99/x
  3. Step 3: Cross multiply
    19,696.45x = 27,181.27 × 10,743.99
  4. Step 4: Simplify right side
    19,696.45x = 292,035,225.31
  5. Step 5: Solve for x
    x = 292,035,225.31/19,696.45
  6. Step 6: Final answer
    x = 14,826.80

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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.