Home / 18,582.48-25,644.36-11,132.88

Finding the Fourth Proportional to 18,582.48, 25,644.36 and 11,132.88

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Solution

The fourth proportional to 18,582.48, 25,644.36 and 11,132.88 is: 15,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.48 : 25,644.36 = 11,132.88 : x
  2. Step 2: Convert to fraction form
    18,582.48/25,644.36 = 11,132.88/x
  3. Step 3: Cross multiply
    18,582.48x = 25,644.36 × 11,132.88
  4. Step 4: Simplify right side
    18,582.48x = 285,495,582.56
  5. Step 5: Solve for x
    x = 285,495,582.56/18,582.48
  6. Step 6: Final answer
    x = 15,363.70

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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.