Home / 16,986.78-23,442.37-9,433.24

Finding the Fourth Proportional to 16,986.78, 23,442.37 and 9,433.24

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Solution

The fourth proportional to 16,986.78, 23,442.37 and 9,433.24 is: 13,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.78 : 23,442.37 = 9,433.24 : x
  2. Step 2: Convert to fraction form
    16,986.78/23,442.37 = 9,433.24/x
  3. Step 3: Cross multiply
    16,986.78x = 23,442.37 × 9,433.24
  4. Step 4: Simplify right side
    16,986.78x = 221,137,420.19
  5. Step 5: Solve for x
    x = 221,137,420.19/16,986.78
  6. Step 6: Final answer
    x = 13,018.21

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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.