Home / 15,919.25-21,968.58-8,846.33

Finding the Fourth Proportional to 15,919.25, 21,968.58 and 8,846.33

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Solution

The fourth proportional to 15,919.25, 21,968.58 and 8,846.33 is: 12,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.25 : 21,968.58 = 8,846.33 : x
  2. Step 2: Convert to fraction form
    15,919.25/21,968.58 = 8,846.33/x
  3. Step 3: Cross multiply
    15,919.25x = 21,968.58 × 8,846.33
  4. Step 4: Simplify right side
    15,919.25x = 194,341,308.31
  5. Step 5: Solve for x
    x = 194,341,308.31/15,919.25
  6. Step 6: Final answer
    x = 12,207.94

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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.