Home / 19,743.41-29,619.98-13,911.41

Finding the Fourth Proportional to 19,743.41, 29,619.98 and 13,911.41

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Solution

The fourth proportional to 19,743.41, 29,619.98 and 13,911.41 is: 20,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.41 : 29,619.98 = 13,911.41 : x
  2. Step 2: Convert to fraction form
    19,743.41/29,619.98 = 13,911.41/x
  3. Step 3: Cross multiply
    19,743.41x = 29,619.98 × 13,911.41
  4. Step 4: Simplify right side
    19,743.41x = 412,055,742.63
  5. Step 5: Solve for x
    x = 412,055,742.63/19,743.41
  6. Step 6: Final answer
    x = 20,870.54

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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.