Home / 12,014.21-18,017.17-4,516.45

Finding the Fourth Proportional to 12,014.21, 18,017.17 and 4,516.45

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Solution

The fourth proportional to 12,014.21, 18,017.17 and 4,516.45 is: 6,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.21 : 18,017.17 = 4,516.45 : x
  2. Step 2: Convert to fraction form
    12,014.21/18,017.17 = 4,516.45/x
  3. Step 3: Cross multiply
    12,014.21x = 18,017.17 × 4,516.45
  4. Step 4: Simplify right side
    12,014.21x = 81,373,591.11
  5. Step 5: Solve for x
    x = 81,373,591.11/12,014.21
  6. Step 6: Final answer
    x = 6,773.11

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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.