Home / 12,714.06-19,050.39-7,768.71

Finding the Fourth Proportional to 12,714.06, 19,050.39 and 7,768.71

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Solution

The fourth proportional to 12,714.06, 19,050.39 and 7,768.71 is: 11,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.06 : 19,050.39 = 7,768.71 : x
  2. Step 2: Convert to fraction form
    12,714.06/19,050.39 = 7,768.71/x
  3. Step 3: Cross multiply
    12,714.06x = 19,050.39 × 7,768.71
  4. Step 4: Simplify right side
    12,714.06x = 147,996,955.30
  5. Step 5: Solve for x
    x = 147,996,955.30/12,714.06
  6. Step 6: Final answer
    x = 11,640.41

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1.5x scale

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.