Home / 12,156.16-18,234.26-8,014.67

Finding the Fourth Proportional to 12,156.16, 18,234.26 and 8,014.67

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Solution

The fourth proportional to 12,156.16, 18,234.26 and 8,014.67 is: 12,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.16 : 18,234.26 = 8,014.67 : x
  2. Step 2: Convert to fraction form
    12,156.16/18,234.26 = 8,014.67/x
  3. Step 3: Cross multiply
    12,156.16x = 18,234.26 × 8,014.67
  4. Step 4: Simplify right side
    12,156.16x = 146,141,445.35
  5. Step 5: Solve for x
    x = 146,141,445.35/12,156.16
  6. Step 6: Final answer
    x = 12,022.01

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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.