Home / 18,072.38-27,109.98-4,925.27

Finding the Fourth Proportional to 18,072.38, 27,109.98 and 4,925.27

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Solution

The fourth proportional to 18,072.38, 27,109.98 and 4,925.27 is: 7,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.38 : 27,109.98 = 4,925.27 : x
  2. Step 2: Convert to fraction form
    18,072.38/27,109.98 = 4,925.27/x
  3. Step 3: Cross multiply
    18,072.38x = 27,109.98 × 4,925.27
  4. Step 4: Simplify right side
    18,072.38x = 133,523,835.64
  5. Step 5: Solve for x
    x = 133,523,835.64/18,072.38
  6. Step 6: Final answer
    x = 7,388.28

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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.