Home / 12,994.66-19,475.61-5,590.54

Finding the Fourth Proportional to 12,994.66, 19,475.61 and 5,590.54

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Solution

The fourth proportional to 12,994.66, 19,475.61 and 5,590.54 is: 8,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.66 : 19,475.61 = 5,590.54 : x
  2. Step 2: Convert to fraction form
    12,994.66/19,475.61 = 5,590.54/x
  3. Step 3: Cross multiply
    12,994.66x = 19,475.61 × 5,590.54
  4. Step 4: Simplify right side
    12,994.66x = 108,879,176.73
  5. Step 5: Solve for x
    x = 108,879,176.73/12,994.66
  6. Step 6: Final answer
    x = 8,378.76

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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.