Home / 20,590.66-28,395.32-16,993.04

Finding the Fourth Proportional to 20,590.66, 28,395.32 and 16,993.04

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Solution

The fourth proportional to 20,590.66, 28,395.32 and 16,993.04 is: 23,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.66 : 28,395.32 = 16,993.04 : x
  2. Step 2: Convert to fraction form
    20,590.66/28,395.32 = 16,993.04/x
  3. Step 3: Cross multiply
    20,590.66x = 28,395.32 × 16,993.04
  4. Step 4: Simplify right side
    20,590.66x = 482,522,794.60
  5. Step 5: Solve for x
    x = 482,522,794.60/20,590.66
  6. Step 6: Final answer
    x = 23,434.06

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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.