Home / 36,386.55-54,582.12-11,427.62

Finding the Fourth Proportional to 36,386.55, 54,582.12 and 11,427.62

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Solution

The fourth proportional to 36,386.55, 54,582.12 and 11,427.62 is: 17,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.55 : 54,582.12 = 11,427.62 : x
  2. Step 2: Convert to fraction form
    36,386.55/54,582.12 = 11,427.62/x
  3. Step 3: Cross multiply
    36,386.55x = 54,582.12 × 11,427.62
  4. Step 4: Simplify right side
    36,386.55x = 623,743,453.24
  5. Step 5: Solve for x
    x = 623,743,453.24/36,386.55
  6. Step 6: Final answer
    x = 17,142.14

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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.