Home / 14,324.49-19,770.21-8,356.83

Finding the Fourth Proportional to 14,324.49, 19,770.21 and 8,356.83

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Solution

The fourth proportional to 14,324.49, 19,770.21 and 8,356.83 is: 11,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.49 : 19,770.21 = 8,356.83 : x
  2. Step 2: Convert to fraction form
    14,324.49/19,770.21 = 8,356.83/x
  3. Step 3: Cross multiply
    14,324.49x = 19,770.21 × 8,356.83
  4. Step 4: Simplify right side
    14,324.49x = 165,216,284.03
  5. Step 5: Solve for x
    x = 165,216,284.03/14,324.49
  6. Step 6: Final answer
    x = 11,533.83

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Half scale
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Double scale
Find fourth proportional to 14,325.49, 19,771.59 and 8,357.83
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.