Home / 13,226.77-18,246.44-9,636.14

Finding the Fourth Proportional to 13,226.77, 18,246.44 and 9,636.14

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Solution

The fourth proportional to 13,226.77, 18,246.44 and 9,636.14 is: 13,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.77 : 18,246.44 = 9,636.14 : x
  2. Step 2: Convert to fraction form
    13,226.77/18,246.44 = 9,636.14/x
  3. Step 3: Cross multiply
    13,226.77x = 18,246.44 × 9,636.14
  4. Step 4: Simplify right side
    13,226.77x = 175,825,179.35
  5. Step 5: Solve for x
    x = 175,825,179.35/13,226.77
  6. Step 6: Final answer
    x = 13,293.13

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Half scale
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Double scale
Find fourth proportional to 13,227.77, 18,247.81 and 9,637.14
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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.