Home / 16,730.43-23,087.66-9,278.43

Finding the Fourth Proportional to 16,730.43, 23,087.66 and 9,278.43

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Solution

The fourth proportional to 16,730.43, 23,087.66 and 9,278.43 is: 12,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.43 : 23,087.66 = 9,278.43 : x
  2. Step 2: Convert to fraction form
    16,730.43/23,087.66 = 9,278.43/x
  3. Step 3: Cross multiply
    16,730.43x = 23,087.66 × 9,278.43
  4. Step 4: Simplify right side
    16,730.43x = 214,217,190.78
  5. Step 5: Solve for x
    x = 214,217,190.78/16,730.43
  6. Step 6: Final answer
    x = 12,804.05

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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.