Home / 19,519.85-29,276.46-7,037.39

Finding the Fourth Proportional to 19,519.85, 29,276.46 and 7,037.39

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Solution

The fourth proportional to 19,519.85, 29,276.46 and 7,037.39 is: 10,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.85 : 29,276.46 = 7,037.39 : x
  2. Step 2: Convert to fraction form
    19,519.85/29,276.46 = 7,037.39/x
  3. Step 3: Cross multiply
    19,519.85x = 29,276.46 × 7,037.39
  4. Step 4: Simplify right side
    19,519.85x = 206,029,831.65
  5. Step 5: Solve for x
    x = 206,029,831.65/19,519.85
  6. Step 6: Final answer
    x = 10,554.89

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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.