Home / 19,247.97-28,875.18-6,764.79

Finding the Fourth Proportional to 19,247.97, 28,875.18 and 6,764.79

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Solution

The fourth proportional to 19,247.97, 28,875.18 and 6,764.79 is: 10,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.97 : 28,875.18 = 6,764.79 : x
  2. Step 2: Convert to fraction form
    19,247.97/28,875.18 = 6,764.79/x
  3. Step 3: Cross multiply
    19,247.97x = 28,875.18 × 6,764.79
  4. Step 4: Simplify right side
    19,247.97x = 195,334,528.91
  5. Step 5: Solve for x
    x = 195,334,528.91/19,247.97
  6. Step 6: Final answer
    x = 10,148.32

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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.