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Finding the Fourth Proportional to 15,891.21, 23,874.03 and 14,993.55

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Solution

The fourth proportional to 15,891.21, 23,874.03 and 14,993.55 is: 22,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.21 : 23,874.03 = 14,993.55 : x
  2. Step 2: Convert to fraction form
    15,891.21/23,874.03 = 14,993.55/x
  3. Step 3: Cross multiply
    15,891.21x = 23,874.03 × 14,993.55
  4. Step 4: Simplify right side
    15,891.21x = 357,956,462.51
  5. Step 5: Solve for x
    x = 357,956,462.51/15,891.21
  6. Step 6: Final answer
    x = 22,525.44

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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.