Home / 18,071.04-27,099.83-6,221.51

Finding the Fourth Proportional to 18,071.04, 27,099.83 and 6,221.51

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Solution

The fourth proportional to 18,071.04, 27,099.83 and 6,221.51 is: 9,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.04 : 27,099.83 = 6,221.51 : x
  2. Step 2: Convert to fraction form
    18,071.04/27,099.83 = 6,221.51/x
  3. Step 3: Cross multiply
    18,071.04x = 27,099.83 × 6,221.51
  4. Step 4: Simplify right side
    18,071.04x = 168,601,696.74
  5. Step 5: Solve for x
    x = 168,601,696.74/18,071.04
  6. Step 6: Final answer
    x = 9,329.94

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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.