Home / 19,984.46-27,578.08-11,031.98

Finding the Fourth Proportional to 19,984.46, 27,578.08 and 11,031.98

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Solution

The fourth proportional to 19,984.46, 27,578.08 and 11,031.98 is: 15,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.46 : 27,578.08 = 11,031.98 : x
  2. Step 2: Convert to fraction form
    19,984.46/27,578.08 = 11,031.98/x
  3. Step 3: Cross multiply
    19,984.46x = 27,578.08 × 11,031.98
  4. Step 4: Simplify right side
    19,984.46x = 304,240,827.00
  5. Step 5: Solve for x
    x = 304,240,827.00/19,984.46
  6. Step 6: Final answer
    x = 15,223.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.