Home / 23,313.55-34,980.66-12,217.60

Finding the Fourth Proportional to 23,313.55, 34,980.66 and 12,217.60

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Solution

The fourth proportional to 23,313.55, 34,980.66 and 12,217.60 is: 18,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,313.55 : 34,980.66 = 12,217.60 : x
  2. Step 2: Convert to fraction form
    23,313.55/34,980.66 = 12,217.60/x
  3. Step 3: Cross multiply
    23,313.55x = 34,980.66 × 12,217.60
  4. Step 4: Simplify right side
    23,313.55x = 427,379,711.62
  5. Step 5: Solve for x
    x = 427,379,711.62/23,313.55
  6. Step 6: Final answer
    x = 18,331.82

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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.