Home / 16,680.44-23,018.79-9,126.68

Finding the Fourth Proportional to 16,680.44, 23,018.79 and 9,126.68

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Solution

The fourth proportional to 16,680.44, 23,018.79 and 9,126.68 is: 12,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.44 : 23,018.79 = 9,126.68 : x
  2. Step 2: Convert to fraction form
    16,680.44/23,018.79 = 9,126.68/x
  3. Step 3: Cross multiply
    16,680.44x = 23,018.79 × 9,126.68
  4. Step 4: Simplify right side
    16,680.44x = 210,085,015.22
  5. Step 5: Solve for x
    x = 210,085,015.22/16,680.44
  6. Step 6: Final answer
    x = 12,594.70

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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.