Home / 14,503.03-20,020.31-9,793.69

Finding the Fourth Proportional to 14,503.03, 20,020.31 and 9,793.69

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Solution

The fourth proportional to 14,503.03, 20,020.31 and 9,793.69 is: 13,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.03 : 20,020.31 = 9,793.69 : x
  2. Step 2: Convert to fraction form
    14,503.03/20,020.31 = 9,793.69/x
  3. Step 3: Cross multiply
    14,503.03x = 20,020.31 × 9,793.69
  4. Step 4: Simplify right side
    14,503.03x = 196,072,709.84
  5. Step 5: Solve for x
    x = 196,072,709.84/14,503.03
  6. Step 6: Final answer
    x = 13,519.43

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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.