Home / 16,893.90-23,305.32-10,930.68

Finding the Fourth Proportional to 16,893.90, 23,305.32 and 10,930.68

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Solution

The fourth proportional to 16,893.90, 23,305.32 and 10,930.68 is: 15,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.90 : 23,305.32 = 10,930.68 : x
  2. Step 2: Convert to fraction form
    16,893.90/23,305.32 = 10,930.68/x
  3. Step 3: Cross multiply
    16,893.90x = 23,305.32 × 10,930.68
  4. Step 4: Simplify right side
    16,893.90x = 254,742,995.22
  5. Step 5: Solve for x
    x = 254,742,995.22/16,893.90
  6. Step 6: Final answer
    x = 15,078.99

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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.