Home / 14,236.29-19,644.59-8,266.80

Finding the Fourth Proportional to 14,236.29, 19,644.59 and 8,266.80

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Solution

The fourth proportional to 14,236.29, 19,644.59 and 8,266.80 is: 11,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.29 : 19,644.59 = 8,266.80 : x
  2. Step 2: Convert to fraction form
    14,236.29/19,644.59 = 8,266.80/x
  3. Step 3: Cross multiply
    14,236.29x = 19,644.59 × 8,266.80
  4. Step 4: Simplify right side
    14,236.29x = 162,397,896.61
  5. Step 5: Solve for x
    x = 162,397,896.61/14,236.29
  6. Step 6: Final answer
    x = 11,407.32

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Half scale
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Double scale
Find fourth proportional to 14,237.29, 19,645.97 and 8,267.80
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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.