Home / 19,181.80-26,439.78-16,589.80

Finding the Fourth Proportional to 19,181.80, 26,439.78 and 16,589.80

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Solution

The fourth proportional to 19,181.80, 26,439.78 and 16,589.80 is: 22,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.80 : 26,439.78 = 16,589.80 : x
  2. Step 2: Convert to fraction form
    19,181.80/26,439.78 = 16,589.80/x
  3. Step 3: Cross multiply
    19,181.80x = 26,439.78 × 16,589.80
  4. Step 4: Simplify right side
    19,181.80x = 438,630,662.24
  5. Step 5: Solve for x
    x = 438,630,662.24/19,181.80
  6. Step 6: Final answer
    x = 22,867.02

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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.