Home / 13,012.64-19,519.92-4,697.60

Finding the Fourth Proportional to 13,012.64, 19,519.92 and 4,697.60

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Solution

The fourth proportional to 13,012.64, 19,519.92 and 4,697.60 is: 7,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.64 : 19,519.92 = 4,697.60 : x
  2. Step 2: Convert to fraction form
    13,012.64/19,519.92 = 4,697.60/x
  3. Step 3: Cross multiply
    13,012.64x = 19,519.92 × 4,697.60
  4. Step 4: Simplify right side
    13,012.64x = 91,696,776.19
  5. Step 5: Solve for x
    x = 91,696,776.19/13,012.64
  6. Step 6: Final answer
    x = 7,046.75

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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.