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Finding the Fourth Proportional to 14,350.70, 21,504.99 and 10,198.70

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Solution

The fourth proportional to 14,350.70, 21,504.99 and 10,198.70 is: 15,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.70 : 21,504.99 = 10,198.70 : x
  2. Step 2: Convert to fraction form
    14,350.70/21,504.99 = 10,198.70/x
  3. Step 3: Cross multiply
    14,350.70x = 21,504.99 × 10,198.70
  4. Step 4: Simplify right side
    14,350.70x = 219,322,941.51
  5. Step 5: Solve for x
    x = 219,322,941.51/14,350.70
  6. Step 6: Final answer
    x = 15,283.08

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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.