Home / 14,265.44-19,679.76-9,231.30

Finding the Fourth Proportional to 14,265.44, 19,679.76 and 9,231.30

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Solution

The fourth proportional to 14,265.44, 19,679.76 and 9,231.30 is: 12,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.44 : 19,679.76 = 9,231.30 : x
  2. Step 2: Convert to fraction form
    14,265.44/19,679.76 = 9,231.30/x
  3. Step 3: Cross multiply
    14,265.44x = 19,679.76 × 9,231.30
  4. Step 4: Simplify right side
    14,265.44x = 181,669,768.49
  5. Step 5: Solve for x
    x = 181,669,768.49/14,265.44
  6. Step 6: Final answer
    x = 12,734.96

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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.