Home / 18,035.96-24,921.42-13,880.12

Finding the Fourth Proportional to 18,035.96, 24,921.42 and 13,880.12

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Solution

The fourth proportional to 18,035.96, 24,921.42 and 13,880.12 is: 19,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.96 : 24,921.42 = 13,880.12 : x
  2. Step 2: Convert to fraction form
    18,035.96/24,921.42 = 13,880.12/x
  3. Step 3: Cross multiply
    18,035.96x = 24,921.42 × 13,880.12
  4. Step 4: Simplify right side
    18,035.96x = 345,912,300.17
  5. Step 5: Solve for x
    x = 345,912,300.17/18,035.96
  6. Step 6: Final answer
    x = 19,179.03

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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.