Home / 20,795.97-28,698.33-11,364.54

Finding the Fourth Proportional to 20,795.97, 28,698.33 and 11,364.54

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Solution

The fourth proportional to 20,795.97, 28,698.33 and 11,364.54 is: 15,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.97 : 28,698.33 = 11,364.54 : x
  2. Step 2: Convert to fraction form
    20,795.97/28,698.33 = 11,364.54/x
  3. Step 3: Cross multiply
    20,795.97x = 28,698.33 × 11,364.54
  4. Step 4: Simplify right side
    20,795.97x = 326,143,319.22
  5. Step 5: Solve for x
    x = 326,143,319.22/20,795.97
  6. Step 6: Final answer
    x = 15,683.01

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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.