Home / 19,384.08-29,031.84-11,576.88

Finding the Fourth Proportional to 19,384.08, 29,031.84 and 11,576.88

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Solution

The fourth proportional to 19,384.08, 29,031.84 and 11,576.88 is: 17,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.08 : 29,031.84 = 11,576.88 : x
  2. Step 2: Convert to fraction form
    19,384.08/29,031.84 = 11,576.88/x
  3. Step 3: Cross multiply
    19,384.08x = 29,031.84 × 11,576.88
  4. Step 4: Simplify right side
    19,384.08x = 336,098,127.86
  5. Step 5: Solve for x
    x = 336,098,127.86/19,384.08
  6. Step 6: Final answer
    x = 17,338.87

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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.