Home / 18,058.19-27,088.67-5,578.16

Finding the Fourth Proportional to 18,058.19, 27,088.67 and 5,578.16

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Solution

The fourth proportional to 18,058.19, 27,088.67 and 5,578.16 is: 8,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.19 : 27,088.67 = 5,578.16 : x
  2. Step 2: Convert to fraction form
    18,058.19/27,088.67 = 5,578.16/x
  3. Step 3: Cross multiply
    18,058.19x = 27,088.67 × 5,578.16
  4. Step 4: Simplify right side
    18,058.19x = 151,104,813.95
  5. Step 5: Solve for x
    x = 151,104,813.95/18,058.19
  6. Step 6: Final answer
    x = 8,367.66

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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.