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Finding the Fourth Proportional to 14,113.44, 19,475.88 and 8,147.03

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Solution

The fourth proportional to 14,113.44, 19,475.88 and 8,147.03 is: 11,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.44 : 19,475.88 = 8,147.03 : x
  2. Step 2: Convert to fraction form
    14,113.44/19,475.88 = 8,147.03/x
  3. Step 3: Cross multiply
    14,113.44x = 19,475.88 × 8,147.03
  4. Step 4: Simplify right side
    14,113.44x = 158,670,550.31
  5. Step 5: Solve for x
    x = 158,670,550.31/14,113.44
  6. Step 6: Final answer
    x = 11,242.52

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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.