Home / 18,068.89-27,101.39-4,743.22

Finding the Fourth Proportional to 18,068.89, 27,101.39 and 4,743.22

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Solution

The fourth proportional to 18,068.89, 27,101.39 and 4,743.22 is: 7,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.89 : 27,101.39 = 4,743.22 : x
  2. Step 2: Convert to fraction form
    18,068.89/27,101.39 = 4,743.22/x
  3. Step 3: Cross multiply
    18,068.89x = 27,101.39 × 4,743.22
  4. Step 4: Simplify right side
    18,068.89x = 128,547,855.08
  5. Step 5: Solve for x
    x = 128,547,855.08/18,068.89
  6. Step 6: Final answer
    x = 7,114.32

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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.