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Finding the Fourth Proportional to 14,361.44, 19,825.98 and 9,888.62

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Solution

The fourth proportional to 14,361.44, 19,825.98 and 9,888.62 is: 13,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.44 : 19,825.98 = 9,888.62 : x
  2. Step 2: Convert to fraction form
    14,361.44/19,825.98 = 9,888.62/x
  3. Step 3: Cross multiply
    14,361.44x = 19,825.98 × 9,888.62
  4. Step 4: Simplify right side
    14,361.44x = 196,051,582.35
  5. Step 5: Solve for x
    x = 196,051,582.35/14,361.44
  6. Step 6: Final answer
    x = 13,651.25

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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.