Home / 13,605.87-20,402.65-4,841.02

Finding the Fourth Proportional to 13,605.87, 20,402.65 and 4,841.02

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Solution

The fourth proportional to 13,605.87, 20,402.65 and 4,841.02 is: 7,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.87 : 20,402.65 = 4,841.02 : x
  2. Step 2: Convert to fraction form
    13,605.87/20,402.65 = 4,841.02/x
  3. Step 3: Cross multiply
    13,605.87x = 20,402.65 × 4,841.02
  4. Step 4: Simplify right side
    13,605.87x = 98,769,636.70
  5. Step 5: Solve for x
    x = 98,769,636.70/13,605.87
  6. Step 6: Final answer
    x = 7,259.34

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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.