Home / 18,536.18-25,581.76-10,579.60

Finding the Fourth Proportional to 18,536.18, 25,581.76 and 10,579.60

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Solution

The fourth proportional to 18,536.18, 25,581.76 and 10,579.60 is: 14,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.18 : 25,581.76 = 10,579.60 : x
  2. Step 2: Convert to fraction form
    18,536.18/25,581.76 = 10,579.60/x
  3. Step 3: Cross multiply
    18,536.18x = 25,581.76 × 10,579.60
  4. Step 4: Simplify right side
    18,536.18x = 270,644,788.10
  5. Step 5: Solve for x
    x = 270,644,788.10/18,536.18
  6. Step 6: Final answer
    x = 14,600.89

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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.