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Finding the Fourth Proportional to 14,303.78, 19,739.24 and 8,016.15

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Solution

The fourth proportional to 14,303.78, 19,739.24 and 8,016.15 is: 11,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.78 : 19,739.24 = 8,016.15 : x
  2. Step 2: Convert to fraction form
    14,303.78/19,739.24 = 8,016.15/x
  3. Step 3: Cross multiply
    14,303.78x = 19,739.24 × 8,016.15
  4. Step 4: Simplify right side
    14,303.78x = 158,232,764.70
  5. Step 5: Solve for x
    x = 158,232,764.70/14,303.78
  6. Step 6: Final answer
    x = 11,062.31

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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.