Home / 20,058.49-27,678.54-11,104.57

Finding the Fourth Proportional to 20,058.49, 27,678.54 and 11,104.57

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Solution

The fourth proportional to 20,058.49, 27,678.54 and 11,104.57 is: 15,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.49 : 27,678.54 = 11,104.57 : x
  2. Step 2: Convert to fraction form
    20,058.49/27,678.54 = 11,104.57/x
  3. Step 3: Cross multiply
    20,058.49x = 27,678.54 × 11,104.57
  4. Step 4: Simplify right side
    20,058.49x = 307,358,284.93
  5. Step 5: Solve for x
    x = 307,358,284.93/20,058.49
  6. Step 6: Final answer
    x = 15,323.10

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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.