Home / 19,333.96-26,621.52-16,930.20

Finding the Fourth Proportional to 19,333.96, 26,621.52 and 16,930.20

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Solution

The fourth proportional to 19,333.96, 26,621.52 and 16,930.20 is: 23,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.96 : 26,621.52 = 16,930.20 : x
  2. Step 2: Convert to fraction form
    19,333.96/26,621.52 = 16,930.20/x
  3. Step 3: Cross multiply
    19,333.96x = 26,621.52 × 16,930.20
  4. Step 4: Simplify right side
    19,333.96x = 450,707,657.90
  5. Step 5: Solve for x
    x = 450,707,657.90/19,333.96
  6. Step 6: Final answer
    x = 23,311.71

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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.