Home / 15,821.46-23,705.82-11,133.09

Finding the Fourth Proportional to 15,821.46, 23,705.82 and 11,133.09

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Solution

The fourth proportional to 15,821.46, 23,705.82 and 11,133.09 is: 16,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.46 : 23,705.82 = 11,133.09 : x
  2. Step 2: Convert to fraction form
    15,821.46/23,705.82 = 11,133.09/x
  3. Step 3: Cross multiply
    15,821.46x = 23,705.82 × 11,133.09
  4. Step 4: Simplify right side
    15,821.46x = 263,919,027.58
  5. Step 5: Solve for x
    x = 263,919,027.58/15,821.46
  6. Step 6: Final answer
    x = 16,681.08

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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.