Home / 15,236.31-21,025.56-8,522.67

Finding the Fourth Proportional to 15,236.31, 21,025.56 and 8,522.67

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Solution

The fourth proportional to 15,236.31, 21,025.56 and 8,522.67 is: 11,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.31 : 21,025.56 = 8,522.67 : x
  2. Step 2: Convert to fraction form
    15,236.31/21,025.56 = 8,522.67/x
  3. Step 3: Cross multiply
    15,236.31x = 21,025.56 × 8,522.67
  4. Step 4: Simplify right side
    15,236.31x = 179,193,909.45
  5. Step 5: Solve for x
    x = 179,193,909.45/15,236.31
  6. Step 6: Final answer
    x = 11,760.98

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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.