Home / 18,467.28-25,484.94-10,083.78

Finding the Fourth Proportional to 18,467.28, 25,484.94 and 10,083.78

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Solution

The fourth proportional to 18,467.28, 25,484.94 and 10,083.78 is: 13,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.28 : 25,484.94 = 10,083.78 : x
  2. Step 2: Convert to fraction form
    18,467.28/25,484.94 = 10,083.78/x
  3. Step 3: Cross multiply
    18,467.28x = 25,484.94 × 10,083.78
  4. Step 4: Simplify right side
    18,467.28x = 256,984,528.27
  5. Step 5: Solve for x
    x = 256,984,528.27/18,467.28
  6. Step 6: Final answer
    x = 13,915.67

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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.