Home / 21,653.66-32,481.41-6,862.25

Finding the Fourth Proportional to 21,653.66, 32,481.41 and 6,862.25

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Solution

The fourth proportional to 21,653.66, 32,481.41 and 6,862.25 is: 10,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.66 : 32,481.41 = 6,862.25 : x
  2. Step 2: Convert to fraction form
    21,653.66/32,481.41 = 6,862.25/x
  3. Step 3: Cross multiply
    21,653.66x = 32,481.41 × 6,862.25
  4. Step 4: Simplify right side
    21,653.66x = 222,895,602.66
  5. Step 5: Solve for x
    x = 222,895,602.66/21,653.66
  6. Step 6: Final answer
    x = 10,293.67

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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.