Home / 19,351.71-29,031.67-6,213.31

Finding the Fourth Proportional to 19,351.71, 29,031.67 and 6,213.31

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Solution

The fourth proportional to 19,351.71, 29,031.67 and 6,213.31 is: 9,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.71 : 29,031.67 = 6,213.31 : x
  2. Step 2: Convert to fraction form
    19,351.71/29,031.67 = 6,213.31/x
  3. Step 3: Cross multiply
    19,351.71x = 29,031.67 × 6,213.31
  4. Step 4: Simplify right side
    19,351.71x = 180,382,665.77
  5. Step 5: Solve for x
    x = 180,382,665.77/19,351.71
  6. Step 6: Final answer
    x = 9,321.28

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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.