Home / 19,058.04-28,356.39-18,581.88

Finding the Fourth Proportional to 19,058.04, 28,356.39 and 18,581.88

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Solution

The fourth proportional to 19,058.04, 28,356.39 and 18,581.88 is: 27,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.04 : 28,356.39 = 18,581.88 : x
  2. Step 2: Convert to fraction form
    19,058.04/28,356.39 = 18,581.88/x
  3. Step 3: Cross multiply
    19,058.04x = 28,356.39 × 18,581.88
  4. Step 4: Simplify right side
    19,058.04x = 526,915,036.21
  5. Step 5: Solve for x
    x = 526,915,036.21/19,058.04
  6. Step 6: Final answer
    x = 27,647.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.