Home / 12,714.20-19,071.30-4,923.02

Finding the Fourth Proportional to 12,714.20, 19,071.30 and 4,923.02

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Solution

The fourth proportional to 12,714.20, 19,071.30 and 4,923.02 is: 7,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.20 : 19,071.30 = 4,923.02 : x
  2. Step 2: Convert to fraction form
    12,714.20/19,071.30 = 4,923.02/x
  3. Step 3: Cross multiply
    12,714.20x = 19,071.30 × 4,923.02
  4. Step 4: Simplify right side
    12,714.20x = 93,888,391.33
  5. Step 5: Solve for x
    x = 93,888,391.33/12,714.20
  6. Step 6: Final answer
    x = 7,384.53

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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.