Home / 18,582.67-25,640.05-11,031.49

Finding the Fourth Proportional to 18,582.67, 25,640.05 and 11,031.49

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Solution

The fourth proportional to 18,582.67, 25,640.05 and 11,031.49 is: 15,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.67 : 25,640.05 = 11,031.49 : x
  2. Step 2: Convert to fraction form
    18,582.67/25,640.05 = 11,031.49/x
  3. Step 3: Cross multiply
    18,582.67x = 25,640.05 × 11,031.49
  4. Step 4: Simplify right side
    18,582.67x = 282,847,955.17
  5. Step 5: Solve for x
    x = 282,847,955.17/18,582.67
  6. Step 6: Final answer
    x = 15,221.06

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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.