Home / 13,904.44-19,172.75-8,860.67

Finding the Fourth Proportional to 13,904.44, 19,172.75 and 8,860.67

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Solution

The fourth proportional to 13,904.44, 19,172.75 and 8,860.67 is: 12,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.44 : 19,172.75 = 8,860.67 : x
  2. Step 2: Convert to fraction form
    13,904.44/19,172.75 = 8,860.67/x
  3. Step 3: Cross multiply
    13,904.44x = 19,172.75 × 8,860.67
  4. Step 4: Simplify right side
    13,904.44x = 169,883,270.58
  5. Step 5: Solve for x
    x = 169,883,270.58/13,904.44
  6. Step 6: Final answer
    x = 12,217.92

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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.