Home / 19,786.94-29,681.31-11,015.24

Finding the Fourth Proportional to 19,786.94, 29,681.31 and 11,015.24

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Solution

The fourth proportional to 19,786.94, 29,681.31 and 11,015.24 is: 16,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.94 : 29,681.31 = 11,015.24 : x
  2. Step 2: Convert to fraction form
    19,786.94/29,681.31 = 11,015.24/x
  3. Step 3: Cross multiply
    19,786.94x = 29,681.31 × 11,015.24
  4. Step 4: Simplify right side
    19,786.94x = 326,946,753.16
  5. Step 5: Solve for x
    x = 326,946,753.16/19,786.94
  6. Step 6: Final answer
    x = 16,523.36

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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.