Home / 13,762.74-20,651.40-5,977.02

Finding the Fourth Proportional to 13,762.74, 20,651.40 and 5,977.02

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Solution

The fourth proportional to 13,762.74, 20,651.40 and 5,977.02 is: 8,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.74 : 20,651.40 = 5,977.02 : x
  2. Step 2: Convert to fraction form
    13,762.74/20,651.40 = 5,977.02/x
  3. Step 3: Cross multiply
    13,762.74x = 20,651.40 × 5,977.02
  4. Step 4: Simplify right side
    13,762.74x = 123,433,830.83
  5. Step 5: Solve for x
    x = 123,433,830.83/13,762.74
  6. Step 6: Final answer
    x = 8,968.70

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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.