Home / 13,476.53-20,190.17-9,769.57

Finding the Fourth Proportional to 13,476.53, 20,190.17 and 9,769.57

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Solution

The fourth proportional to 13,476.53, 20,190.17 and 9,769.57 is: 14,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.53 : 20,190.17 = 9,769.57 : x
  2. Step 2: Convert to fraction form
    13,476.53/20,190.17 = 9,769.57/x
  3. Step 3: Cross multiply
    13,476.53x = 20,190.17 × 9,769.57
  4. Step 4: Simplify right side
    13,476.53x = 197,249,129.33
  5. Step 5: Solve for x
    x = 197,249,129.33/13,476.53
  6. Step 6: Final answer
    x = 14,636.49

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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.