Home / 14,229.49-19,635.61-8,260.19

Finding the Fourth Proportional to 14,229.49, 19,635.61 and 8,260.19

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Solution

The fourth proportional to 14,229.49, 19,635.61 and 8,260.19 is: 11,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.49 : 19,635.61 = 8,260.19 : x
  2. Step 2: Convert to fraction form
    14,229.49/19,635.61 = 8,260.19/x
  3. Step 3: Cross multiply
    14,229.49x = 19,635.61 × 8,260.19
  4. Step 4: Simplify right side
    14,229.49x = 162,193,869.37
  5. Step 5: Solve for x
    x = 162,193,869.37/14,229.49
  6. Step 6: Final answer
    x = 11,398.43

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Half scale
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Double scale
Find fourth proportional to 14,230.49, 19,636.99 and 8,261.19
Similar ratio
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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.