Home / 13,476.03-20,189.41-9,769.07

Finding the Fourth Proportional to 13,476.03, 20,189.41 and 9,769.07

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Solution

The fourth proportional to 13,476.03, 20,189.41 and 9,769.07 is: 14,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.03 : 20,189.41 = 9,769.07 : x
  2. Step 2: Convert to fraction form
    13,476.03/20,189.41 = 9,769.07/x
  3. Step 3: Cross multiply
    13,476.03x = 20,189.41 × 9,769.07
  4. Step 4: Simplify right side
    13,476.03x = 197,231,658.60
  5. Step 5: Solve for x
    x = 197,231,658.60/13,476.03
  6. Step 6: Final answer
    x = 14,635.74

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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.