Home / 13,930.76-20,904.65-6,031.74

Finding the Fourth Proportional to 13,930.76, 20,904.65 and 6,031.74

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Solution

The fourth proportional to 13,930.76, 20,904.65 and 6,031.74 is: 9,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.76 : 20,904.65 = 6,031.74 : x
  2. Step 2: Convert to fraction form
    13,930.76/20,904.65 = 6,031.74/x
  3. Step 3: Cross multiply
    13,930.76x = 20,904.65 × 6,031.74
  4. Step 4: Simplify right side
    13,930.76x = 126,091,413.59
  5. Step 5: Solve for x
    x = 126,091,413.59/13,930.76
  6. Step 6: Final answer
    x = 9,051.29

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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.