Home / 16,717.36-23,070-10,003.28

Finding the Fourth Proportional to 16,717.36, 23,070 and 10,003.28

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Solution

The fourth proportional to 16,717.36, 23,070 and 10,003.28 is: 13,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.36 : 23,070 = 10,003.28 : x
  2. Step 2: Convert to fraction form
    16,717.36/23,070 = 10,003.28/x
  3. Step 3: Cross multiply
    16,717.36x = 23,070 × 10,003.28
  4. Step 4: Simplify right side
    16,717.36x = 230,775,669.60
  5. Step 5: Solve for x
    x = 230,775,669.60/16,717.36
  6. Step 6: Final answer
    x = 13,804.55

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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.