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Finding the Fourth Proportional to 14,393.58, 19,863.51 and 7,933.44

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Solution

The fourth proportional to 14,393.58, 19,863.51 and 7,933.44 is: 10,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.58 : 19,863.51 = 7,933.44 : x
  2. Step 2: Convert to fraction form
    14,393.58/19,863.51 = 7,933.44/x
  3. Step 3: Cross multiply
    14,393.58x = 19,863.51 × 7,933.44
  4. Step 4: Simplify right side
    14,393.58x = 157,585,935.02
  5. Step 5: Solve for x
    x = 157,585,935.02/14,393.58
  6. Step 6: Final answer
    x = 10,948.35

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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.