Home / 43,611.06-65,416.66-12,446.32

Finding the Fourth Proportional to 43,611.06, 65,416.66 and 12,446.32

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Solution

The fourth proportional to 43,611.06, 65,416.66 and 12,446.32 is: 18,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.06 : 65,416.66 = 12,446.32 : x
  2. Step 2: Convert to fraction form
    43,611.06/65,416.66 = 12,446.32/x
  3. Step 3: Cross multiply
    43,611.06x = 65,416.66 × 12,446.32
  4. Step 4: Simplify right side
    43,611.06x = 814,196,683.69
  5. Step 5: Solve for x
    x = 814,196,683.69/43,611.06
  6. Step 6: Final answer
    x = 18,669.50

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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.