Home / 15,847.93-21,850.28-10,172.67

Finding the Fourth Proportional to 15,847.93, 21,850.28 and 10,172.67

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Solution

The fourth proportional to 15,847.93, 21,850.28 and 10,172.67 is: 14,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.93 : 21,850.28 = 10,172.67 : x
  2. Step 2: Convert to fraction form
    15,847.93/21,850.28 = 10,172.67/x
  3. Step 3: Cross multiply
    15,847.93x = 21,850.28 × 10,172.67
  4. Step 4: Simplify right side
    15,847.93x = 222,275,527.73
  5. Step 5: Solve for x
    x = 222,275,527.73/15,847.93
  6. Step 6: Final answer
    x = 14,025.52

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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.