Home / 14,728.02-20,325.78-8,441.34

Finding the Fourth Proportional to 14,728.02, 20,325.78 and 8,441.34

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Solution

The fourth proportional to 14,728.02, 20,325.78 and 8,441.34 is: 11,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.02 : 20,325.78 = 8,441.34 : x
  2. Step 2: Convert to fraction form
    14,728.02/20,325.78 = 8,441.34/x
  3. Step 3: Cross multiply
    14,728.02x = 20,325.78 × 8,441.34
  4. Step 4: Simplify right side
    14,728.02x = 171,576,819.75
  5. Step 5: Solve for x
    x = 171,576,819.75/14,728.02
  6. Step 6: Final answer
    x = 11,649.69

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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.