Home / 21,696.03-29,924.78-16,603.02

Finding the Fourth Proportional to 21,696.03, 29,924.78 and 16,603.02

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Solution

The fourth proportional to 21,696.03, 29,924.78 and 16,603.02 is: 22,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.03 : 29,924.78 = 16,603.02 : x
  2. Step 2: Convert to fraction form
    21,696.03/29,924.78 = 16,603.02/x
  3. Step 3: Cross multiply
    21,696.03x = 29,924.78 × 16,603.02
  4. Step 4: Simplify right side
    21,696.03x = 496,841,637.82
  5. Step 5: Solve for x
    x = 496,841,637.82/21,696.03
  6. Step 6: Final answer
    x = 22,900.12

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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.