Home / 23,665.49-35,520.10-11,986.91

Finding the Fourth Proportional to 23,665.49, 35,520.10 and 11,986.91

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Solution

The fourth proportional to 23,665.49, 35,520.10 and 11,986.91 is: 17,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,665.49 : 35,520.10 = 11,986.91 : x
  2. Step 2: Convert to fraction form
    23,665.49/35,520.10 = 11,986.91/x
  3. Step 3: Cross multiply
    23,665.49x = 35,520.10 × 11,986.91
  4. Step 4: Simplify right side
    23,665.49x = 425,776,241.89
  5. Step 5: Solve for x
    x = 425,776,241.89/23,665.49
  6. Step 6: Final answer
    x = 17,991.44

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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.