Home / 17,121.23-23,634.57-10,409

Finding the Fourth Proportional to 17,121.23, 23,634.57 and 10,409

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Solution

The fourth proportional to 17,121.23, 23,634.57 and 10,409 is: 14,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.23 : 23,634.57 = 10,409 : x
  2. Step 2: Convert to fraction form
    17,121.23/23,634.57 = 10,409/x
  3. Step 3: Cross multiply
    17,121.23x = 23,634.57 × 10,409
  4. Step 4: Simplify right side
    17,121.23x = 246,012,239.13
  5. Step 5: Solve for x
    x = 246,012,239.13/17,121.23
  6. Step 6: Final answer
    x = 14,368.84

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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.