Home / 18,112.01-27,172.16-5,631.32

Finding the Fourth Proportional to 18,112.01, 27,172.16 and 5,631.32

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Solution

The fourth proportional to 18,112.01, 27,172.16 and 5,631.32 is: 8,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.01 : 27,172.16 = 5,631.32 : x
  2. Step 2: Convert to fraction form
    18,112.01/27,172.16 = 5,631.32/x
  3. Step 3: Cross multiply
    18,112.01x = 27,172.16 × 5,631.32
  4. Step 4: Simplify right side
    18,112.01x = 153,015,188.94
  5. Step 5: Solve for x
    x = 153,015,188.94/18,112.01
  6. Step 6: Final answer
    x = 8,448.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.