Home / 14,504.85-20,014.79-8,535.33

Finding the Fourth Proportional to 14,504.85, 20,014.79 and 8,535.33

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Solution

The fourth proportional to 14,504.85, 20,014.79 and 8,535.33 is: 11,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.85 : 20,014.79 = 8,535.33 : x
  2. Step 2: Convert to fraction form
    14,504.85/20,014.79 = 8,535.33/x
  3. Step 3: Cross multiply
    14,504.85x = 20,014.79 × 8,535.33
  4. Step 4: Simplify right side
    14,504.85x = 170,832,794.85
  5. Step 5: Solve for x
    x = 170,832,794.85/14,504.85
  6. Step 6: Final answer
    x = 11,777.63

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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.