Home / 20,452.26-30,666-13,341.81

Finding the Fourth Proportional to 20,452.26, 30,666 and 13,341.81

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Solution

The fourth proportional to 20,452.26, 30,666 and 13,341.81 is: 20,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.26 : 30,666 = 13,341.81 : x
  2. Step 2: Convert to fraction form
    20,452.26/30,666 = 13,341.81/x
  3. Step 3: Cross multiply
    20,452.26x = 30,666 × 13,341.81
  4. Step 4: Simplify right side
    20,452.26x = 409,139,945.46
  5. Step 5: Solve for x
    x = 409,139,945.46/20,452.26
  6. Step 6: Final answer
    x = 20,004.63

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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.