Home / 13,712.04-20,563.80-4,945.82

Finding the Fourth Proportional to 13,712.04, 20,563.80 and 4,945.82

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Solution

The fourth proportional to 13,712.04, 20,563.80 and 4,945.82 is: 7,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.04 : 20,563.80 = 4,945.82 : x
  2. Step 2: Convert to fraction form
    13,712.04/20,563.80 = 4,945.82/x
  3. Step 3: Cross multiply
    13,712.04x = 20,563.80 × 4,945.82
  4. Step 4: Simplify right side
    13,712.04x = 101,704,750.50
  5. Step 5: Solve for x
    x = 101,704,750.50/13,712.04
  6. Step 6: Final answer
    x = 7,417.19

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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.