Home / 22,316.22-30,795.12-13,361.67

Finding the Fourth Proportional to 22,316.22, 30,795.12 and 13,361.67

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Solution

The fourth proportional to 22,316.22, 30,795.12 and 13,361.67 is: 18,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.22 : 30,795.12 = 13,361.67 : x
  2. Step 2: Convert to fraction form
    22,316.22/30,795.12 = 13,361.67/x
  3. Step 3: Cross multiply
    22,316.22x = 30,795.12 × 13,361.67
  4. Step 4: Simplify right side
    22,316.22x = 411,474,231.05
  5. Step 5: Solve for x
    x = 411,474,231.05/22,316.22
  6. Step 6: Final answer
    x = 18,438.35

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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.