Home / 18,968.12-26,188.32-16,975.24

Finding the Fourth Proportional to 18,968.12, 26,188.32 and 16,975.24

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Solution

The fourth proportional to 18,968.12, 26,188.32 and 16,975.24 is: 23,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.12 : 26,188.32 = 16,975.24 : x
  2. Step 2: Convert to fraction form
    18,968.12/26,188.32 = 16,975.24/x
  3. Step 3: Cross multiply
    18,968.12x = 26,188.32 × 16,975.24
  4. Step 4: Simplify right side
    18,968.12x = 444,553,017.20
  5. Step 5: Solve for x
    x = 444,553,017.20/18,968.12
  6. Step 6: Final answer
    x = 23,436.85

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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.