Home / 19,623.62-27,072.61-11,123.94

Finding the Fourth Proportional to 19,623.62, 27,072.61 and 11,123.94

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Solution

The fourth proportional to 19,623.62, 27,072.61 and 11,123.94 is: 15,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.62 : 27,072.61 = 11,123.94 : x
  2. Step 2: Convert to fraction form
    19,623.62/27,072.61 = 11,123.94/x
  3. Step 3: Cross multiply
    19,623.62x = 27,072.61 × 11,123.94
  4. Step 4: Simplify right side
    19,623.62x = 301,154,129.16
  5. Step 5: Solve for x
    x = 301,154,129.16/19,623.62
  6. Step 6: Final answer
    x = 15,346.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.