Home / 17,071.12-25,606.80-5,385.52

Finding the Fourth Proportional to 17,071.12, 25,606.80 and 5,385.52

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Solution

The fourth proportional to 17,071.12, 25,606.80 and 5,385.52 is: 8,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.12 : 25,606.80 = 5,385.52 : x
  2. Step 2: Convert to fraction form
    17,071.12/25,606.80 = 5,385.52/x
  3. Step 3: Cross multiply
    17,071.12x = 25,606.80 × 5,385.52
  4. Step 4: Simplify right side
    17,071.12x = 137,905,933.54
  5. Step 5: Solve for x
    x = 137,905,933.54/17,071.12
  6. Step 6: Final answer
    x = 8,078.32

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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.