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Finding the Fourth Proportional to 16,116.99, 24,152.54 and 12,590.79

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Solution

The fourth proportional to 16,116.99, 24,152.54 and 12,590.79 is: 18,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.99 : 24,152.54 = 12,590.79 : x
  2. Step 2: Convert to fraction form
    16,116.99/24,152.54 = 12,590.79/x
  3. Step 3: Cross multiply
    16,116.99x = 24,152.54 × 12,590.79
  4. Step 4: Simplify right side
    16,116.99x = 304,099,496.15
  5. Step 5: Solve for x
    x = 304,099,496.15/16,116.99
  6. Step 6: Final answer
    x = 18,868.26

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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.