Home / 18,682.63-25,782.56-10,299.67

Finding the Fourth Proportional to 18,682.63, 25,782.56 and 10,299.67

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Solution

The fourth proportional to 18,682.63, 25,782.56 and 10,299.67 is: 14,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.63 : 25,782.56 = 10,299.67 : x
  2. Step 2: Convert to fraction form
    18,682.63/25,782.56 = 10,299.67/x
  3. Step 3: Cross multiply
    18,682.63x = 25,782.56 × 10,299.67
  4. Step 4: Simplify right side
    18,682.63x = 265,551,756.59
  5. Step 5: Solve for x
    x = 265,551,756.59/18,682.63
  6. Step 6: Final answer
    x = 14,213.84

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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.