Home / 19,618.48-27,072.81-11,233.36

Finding the Fourth Proportional to 19,618.48, 27,072.81 and 11,233.36

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Solution

The fourth proportional to 19,618.48, 27,072.81 and 11,233.36 is: 15,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.48 : 27,072.81 = 11,233.36 : x
  2. Step 2: Convert to fraction form
    19,618.48/27,072.81 = 11,233.36/x
  3. Step 3: Cross multiply
    19,618.48x = 27,072.81 × 11,233.36
  4. Step 4: Simplify right side
    19,618.48x = 304,118,620.94
  5. Step 5: Solve for x
    x = 304,118,620.94/19,618.48
  6. Step 6: Final answer
    x = 15,501.64

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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.