Home / 12,107.04-18,054.62-11,996.32

Finding the Fourth Proportional to 12,107.04, 18,054.62 and 11,996.32

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Solution

The fourth proportional to 12,107.04, 18,054.62 and 11,996.32 is: 17,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.04 : 18,054.62 = 11,996.32 : x
  2. Step 2: Convert to fraction form
    12,107.04/18,054.62 = 11,996.32/x
  3. Step 3: Cross multiply
    12,107.04x = 18,054.62 × 11,996.32
  4. Step 4: Simplify right side
    12,107.04x = 216,588,969.01
  5. Step 5: Solve for x
    x = 216,588,969.01/12,107.04
  6. Step 6: Final answer
    x = 17,889.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.