Home / 17,129.91-25,699.28-5,283.41

Finding the Fourth Proportional to 17,129.91, 25,699.28 and 5,283.41

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Solution

The fourth proportional to 17,129.91, 25,699.28 and 5,283.41 is: 7,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.91 : 25,699.28 = 5,283.41 : x
  2. Step 2: Convert to fraction form
    17,129.91/25,699.28 = 5,283.41/x
  3. Step 3: Cross multiply
    17,129.91x = 25,699.28 × 5,283.41
  4. Step 4: Simplify right side
    17,129.91x = 135,779,822.59
  5. Step 5: Solve for x
    x = 135,779,822.59/17,129.91
  6. Step 6: Final answer
    x = 7,926.48

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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.