Home / 21,396.18-32,086.42-7,352.23

Finding the Fourth Proportional to 21,396.18, 32,086.42 and 7,352.23

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Solution

The fourth proportional to 21,396.18, 32,086.42 and 7,352.23 is: 11,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.18 : 32,086.42 = 7,352.23 : x
  2. Step 2: Convert to fraction form
    21,396.18/32,086.42 = 7,352.23/x
  3. Step 3: Cross multiply
    21,396.18x = 32,086.42 × 7,352.23
  4. Step 4: Simplify right side
    21,396.18x = 235,906,641.12
  5. Step 5: Solve for x
    x = 235,906,641.12/21,396.18
  6. Step 6: Final answer
    x = 11,025.64

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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.