Home / 18,160.87-25,063.34-10,203.56

Finding the Fourth Proportional to 18,160.87, 25,063.34 and 10,203.56

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Solution

The fourth proportional to 18,160.87, 25,063.34 and 10,203.56 is: 14,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.87 : 25,063.34 = 10,203.56 : x
  2. Step 2: Convert to fraction form
    18,160.87/25,063.34 = 10,203.56/x
  3. Step 3: Cross multiply
    18,160.87x = 25,063.34 × 10,203.56
  4. Step 4: Simplify right side
    18,160.87x = 255,735,293.49
  5. Step 5: Solve for x
    x = 255,735,293.49/18,160.87
  6. Step 6: Final answer
    x = 14,081.67

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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.