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Finding the Fourth Proportional to 14,303.97, 19,738.39 and 8,015.13

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Solution

The fourth proportional to 14,303.97, 19,738.39 and 8,015.13 is: 11,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.97 : 19,738.39 = 8,015.13 : x
  2. Step 2: Convert to fraction form
    14,303.97/19,738.39 = 8,015.13/x
  3. Step 3: Cross multiply
    14,303.97x = 19,738.39 × 8,015.13
  4. Step 4: Simplify right side
    14,303.97x = 158,205,761.84
  5. Step 5: Solve for x
    x = 158,205,761.84/14,303.97
  6. Step 6: Final answer
    x = 11,060.27

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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.