Home / 17,870.49-26,847.62-16,860.64

Finding the Fourth Proportional to 17,870.49, 26,847.62 and 16,860.64

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Solution

The fourth proportional to 17,870.49, 26,847.62 and 16,860.64 is: 25,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.49 : 26,847.62 = 16,860.64 : x
  2. Step 2: Convert to fraction form
    17,870.49/26,847.62 = 16,860.64/x
  3. Step 3: Cross multiply
    17,870.49x = 26,847.62 × 16,860.64
  4. Step 4: Simplify right side
    17,870.49x = 452,667,921.44
  5. Step 5: Solve for x
    x = 452,667,921.44/17,870.49
  6. Step 6: Final answer
    x = 25,330.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.