Home / 13,656.57-20,483.94-3,795.93

Finding the Fourth Proportional to 13,656.57, 20,483.94 and 3,795.93

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Solution

The fourth proportional to 13,656.57, 20,483.94 and 3,795.93 is: 5,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.57 : 20,483.94 = 3,795.93 : x
  2. Step 2: Convert to fraction form
    13,656.57/20,483.94 = 3,795.93/x
  3. Step 3: Cross multiply
    13,656.57x = 20,483.94 × 3,795.93
  4. Step 4: Simplify right side
    13,656.57x = 77,755,602.36
  5. Step 5: Solve for x
    x = 77,755,602.36/13,656.57
  6. Step 6: Final answer
    x = 5,693.64

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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.