Home / 16,968.12-23,420.46-9,518.52

Finding the Fourth Proportional to 16,968.12, 23,420.46 and 9,518.52

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Solution

The fourth proportional to 16,968.12, 23,420.46 and 9,518.52 is: 13,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.12 : 23,420.46 = 9,518.52 : x
  2. Step 2: Convert to fraction form
    16,968.12/23,420.46 = 9,518.52/x
  3. Step 3: Cross multiply
    16,968.12x = 23,420.46 × 9,518.52
  4. Step 4: Simplify right side
    16,968.12x = 222,928,116.92
  5. Step 5: Solve for x
    x = 222,928,116.92/16,968.12
  6. Step 6: Final answer
    x = 13,138.06

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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.