Home / 19,749.06-29,628.41-13,917.06

Finding the Fourth Proportional to 19,749.06, 29,628.41 and 13,917.06

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Solution

The fourth proportional to 19,749.06, 29,628.41 and 13,917.06 is: 20,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.06 : 29,628.41 = 13,917.06 : x
  2. Step 2: Convert to fraction form
    19,749.06/29,628.41 = 13,917.06/x
  3. Step 3: Cross multiply
    19,749.06x = 29,628.41 × 13,917.06
  4. Step 4: Simplify right side
    19,749.06x = 412,340,290.09
  5. Step 5: Solve for x
    x = 412,340,290.09/19,749.06
  6. Step 6: Final answer
    x = 20,878.98

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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.