Home / 34,800.72-52,200.75-12,613.60

Finding the Fourth Proportional to 34,800.72, 52,200.75 and 12,613.60

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Solution

The fourth proportional to 34,800.72, 52,200.75 and 12,613.60 is: 18,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.72 : 52,200.75 = 12,613.60 : x
  2. Step 2: Convert to fraction form
    34,800.72/52,200.75 = 12,613.60/x
  3. Step 3: Cross multiply
    34,800.72x = 52,200.75 × 12,613.60
  4. Step 4: Simplify right side
    34,800.72x = 658,439,492.75
  5. Step 5: Solve for x
    x = 658,439,492.75/34,800.72
  6. Step 6: Final answer
    x = 18,920.29

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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.