Home / 18,171.45-25,076.46-10,213.59

Finding the Fourth Proportional to 18,171.45, 25,076.46 and 10,213.59

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Solution

The fourth proportional to 18,171.45, 25,076.46 and 10,213.59 is: 14,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.45 : 25,076.46 = 10,213.59 : x
  2. Step 2: Convert to fraction form
    18,171.45/25,076.46 = 10,213.59/x
  3. Step 3: Cross multiply
    18,171.45x = 25,076.46 × 10,213.59
  4. Step 4: Simplify right side
    18,171.45x = 256,120,681.09
  5. Step 5: Solve for x
    x = 256,120,681.09/18,171.45
  6. Step 6: Final answer
    x = 14,094.67

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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.