Home / 43,919.34-65,880.09-12,754.86

Finding the Fourth Proportional to 43,919.34, 65,880.09 and 12,754.86

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Solution

The fourth proportional to 43,919.34, 65,880.09 and 12,754.86 is: 19,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,919.34 : 65,880.09 = 12,754.86 : x
  2. Step 2: Convert to fraction form
    43,919.34/65,880.09 = 12,754.86/x
  3. Step 3: Cross multiply
    43,919.34x = 65,880.09 × 12,754.86
  4. Step 4: Simplify right side
    43,919.34x = 840,291,324.74
  5. Step 5: Solve for x
    x = 840,291,324.74/43,919.34
  6. Step 6: Final answer
    x = 19,132.60

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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.