Home / 13,764.47-20,641.67-5,867.79

Finding the Fourth Proportional to 13,764.47, 20,641.67 and 5,867.79

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Solution

The fourth proportional to 13,764.47, 20,641.67 and 5,867.79 is: 8,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.47 : 20,641.67 = 5,867.79 : x
  2. Step 2: Convert to fraction form
    13,764.47/20,641.67 = 5,867.79/x
  3. Step 3: Cross multiply
    13,764.47x = 20,641.67 × 5,867.79
  4. Step 4: Simplify right side
    13,764.47x = 121,120,922.07
  5. Step 5: Solve for x
    x = 121,120,922.07/13,764.47
  6. Step 6: Final answer
    x = 8,799.54

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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.