Home / 23,431.96-32,336.14-12,821.67

Finding the Fourth Proportional to 23,431.96, 32,336.14 and 12,821.67

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Solution

The fourth proportional to 23,431.96, 32,336.14 and 12,821.67 is: 17,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.96 : 32,336.14 = 12,821.67 : x
  2. Step 2: Convert to fraction form
    23,431.96/32,336.14 = 12,821.67/x
  3. Step 3: Cross multiply
    23,431.96x = 32,336.14 × 12,821.67
  4. Step 4: Simplify right side
    23,431.96x = 414,603,316.15
  5. Step 5: Solve for x
    x = 414,603,316.15/23,431.96
  6. Step 6: Final answer
    x = 17,693.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.