Home / 16,958.62-23,403.11-9,405.06

Finding the Fourth Proportional to 16,958.62, 23,403.11 and 9,405.06

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Solution

The fourth proportional to 16,958.62, 23,403.11 and 9,405.06 is: 12,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.62 : 23,403.11 = 9,405.06 : x
  2. Step 2: Convert to fraction form
    16,958.62/23,403.11 = 9,405.06/x
  3. Step 3: Cross multiply
    16,958.62x = 23,403.11 × 9,405.06
  4. Step 4: Simplify right side
    16,958.62x = 220,107,653.74
  5. Step 5: Solve for x
    x = 220,107,653.74/16,958.62
  6. Step 6: Final answer
    x = 12,979.10

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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.