Home / 19,332.72-29,002.84-8,239.28

Finding the Fourth Proportional to 19,332.72, 29,002.84 and 8,239.28

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Solution

The fourth proportional to 19,332.72, 29,002.84 and 8,239.28 is: 12,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.72 : 29,002.84 = 8,239.28 : x
  2. Step 2: Convert to fraction form
    19,332.72/29,002.84 = 8,239.28/x
  3. Step 3: Cross multiply
    19,332.72x = 29,002.84 × 8,239.28
  4. Step 4: Simplify right side
    19,332.72x = 238,962,519.56
  5. Step 5: Solve for x
    x = 238,962,519.56/19,332.72
  6. Step 6: Final answer
    x = 12,360.52

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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.