Home / 14,228.49-19,635.30-8,260.41

Finding the Fourth Proportional to 14,228.49, 19,635.30 and 8,260.41

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Solution

The fourth proportional to 14,228.49, 19,635.30 and 8,260.41 is: 11,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.49 : 19,635.30 = 8,260.41 : x
  2. Step 2: Convert to fraction form
    14,228.49/19,635.30 = 8,260.41/x
  3. Step 3: Cross multiply
    14,228.49x = 19,635.30 × 8,260.41
  4. Step 4: Simplify right side
    14,228.49x = 162,195,628.47
  5. Step 5: Solve for x
    x = 162,195,628.47/14,228.49
  6. Step 6: Final answer
    x = 11,399.36

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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.