Home / 45,915.27-68,863.83-12,626.74

Finding the Fourth Proportional to 45,915.27, 68,863.83 and 12,626.74

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Solution

The fourth proportional to 45,915.27, 68,863.83 and 12,626.74 is: 18,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.27 : 68,863.83 = 12,626.74 : x
  2. Step 2: Convert to fraction form
    45,915.27/68,863.83 = 12,626.74/x
  3. Step 3: Cross multiply
    45,915.27x = 68,863.83 × 12,626.74
  4. Step 4: Simplify right side
    45,915.27x = 869,525,676.81
  5. Step 5: Solve for x
    x = 869,525,676.81/45,915.27
  6. Step 6: Final answer
    x = 18,937.61

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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.