Home / 18,336.36-27,507.60-6,665.88

Finding the Fourth Proportional to 18,336.36, 27,507.60 and 6,665.88

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Solution

The fourth proportional to 18,336.36, 27,507.60 and 6,665.88 is: 9,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.36 : 27,507.60 = 6,665.88 : x
  2. Step 2: Convert to fraction form
    18,336.36/27,507.60 = 6,665.88/x
  3. Step 3: Cross multiply
    18,336.36x = 27,507.60 × 6,665.88
  4. Step 4: Simplify right side
    18,336.36x = 183,362,360.69
  5. Step 5: Solve for x
    x = 183,362,360.69/18,336.36
  6. Step 6: Final answer
    x = 9,999.93

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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.