Home / 14,014.96-20,960.46-12,465.84

Finding the Fourth Proportional to 14,014.96, 20,960.46 and 12,465.84

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Solution

The fourth proportional to 14,014.96, 20,960.46 and 12,465.84 is: 18,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.96 : 20,960.46 = 12,465.84 : x
  2. Step 2: Convert to fraction form
    14,014.96/20,960.46 = 12,465.84/x
  3. Step 3: Cross multiply
    14,014.96x = 20,960.46 × 12,465.84
  4. Step 4: Simplify right side
    14,014.96x = 261,289,740.69
  5. Step 5: Solve for x
    x = 261,289,740.69/14,014.96
  6. Step 6: Final answer
    x = 18,643.63

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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.