Home / 14,273.20-21,434.10-10,579.60

Finding the Fourth Proportional to 14,273.20, 21,434.10 and 10,579.60

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Solution

The fourth proportional to 14,273.20, 21,434.10 and 10,579.60 is: 15,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.20 : 21,434.10 = 10,579.60 : x
  2. Step 2: Convert to fraction form
    14,273.20/21,434.10 = 10,579.60/x
  3. Step 3: Cross multiply
    14,273.20x = 21,434.10 × 10,579.60
  4. Step 4: Simplify right side
    14,273.20x = 226,764,204.36
  5. Step 5: Solve for x
    x = 226,764,204.36/14,273.20
  6. Step 6: Final answer
    x = 15,887.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.