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Finding the Fourth Proportional to 12,148.46, 16,643.46 and 11,693.42

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Solution

The fourth proportional to 12,148.46, 16,643.46 and 11,693.42 is: 16,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.46 : 16,643.46 = 11,693.42 : x
  2. Step 2: Convert to fraction form
    12,148.46/16,643.46 = 11,693.42/x
  3. Step 3: Cross multiply
    12,148.46x = 16,643.46 × 11,693.42
  4. Step 4: Simplify right side
    12,148.46x = 194,618,909.57
  5. Step 5: Solve for x
    x = 194,618,909.57/12,148.46
  6. Step 6: Final answer
    x = 16,020.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.