Home / 18,277.62-25,221.70-10,320.63

Finding the Fourth Proportional to 18,277.62, 25,221.70 and 10,320.63

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Solution

The fourth proportional to 18,277.62, 25,221.70 and 10,320.63 is: 14,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.62 : 25,221.70 = 10,320.63 : x
  2. Step 2: Convert to fraction form
    18,277.62/25,221.70 = 10,320.63/x
  3. Step 3: Cross multiply
    18,277.62x = 25,221.70 × 10,320.63
  4. Step 4: Simplify right side
    18,277.62x = 260,303,707.56
  5. Step 5: Solve for x
    x = 260,303,707.56/18,277.62
  6. Step 6: Final answer
    x = 14,241.67

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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.