Home / 17,433.76-26,102-13,317.28

Finding the Fourth Proportional to 17,433.76, 26,102 and 13,317.28

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Solution

The fourth proportional to 17,433.76, 26,102 and 13,317.28 is: 19,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,433.76 : 26,102 = 13,317.28 : x
  2. Step 2: Convert to fraction form
    17,433.76/26,102 = 13,317.28/x
  3. Step 3: Cross multiply
    17,433.76x = 26,102 × 13,317.28
  4. Step 4: Simplify right side
    17,433.76x = 347,607,642.56
  5. Step 5: Solve for x
    x = 347,607,642.56/17,433.76
  6. Step 6: Final answer
    x = 19,938.76

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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.