Home / 43,586.10-65,367.54-18,613.80

Finding the Fourth Proportional to 43,586.10, 65,367.54 and 18,613.80

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Solution

The fourth proportional to 43,586.10, 65,367.54 and 18,613.80 is: 27,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.10 : 65,367.54 = 18,613.80 : x
  2. Step 2: Convert to fraction form
    43,586.10/65,367.54 = 18,613.80/x
  3. Step 3: Cross multiply
    43,586.10x = 65,367.54 × 18,613.80
  4. Step 4: Simplify right side
    43,586.10x = 1,216,738,316.05
  5. Step 5: Solve for x
    x = 1,216,738,316.05/43,586.10
  6. Step 6: Final answer
    x = 27,915.74

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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.