Home / 19,352.22-29,031.21-6,871.20

Finding the Fourth Proportional to 19,352.22, 29,031.21 and 6,871.20

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Solution

The fourth proportional to 19,352.22, 29,031.21 and 6,871.20 is: 10,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.22 : 29,031.21 = 6,871.20 : x
  2. Step 2: Convert to fraction form
    19,352.22/29,031.21 = 6,871.20/x
  3. Step 3: Cross multiply
    19,352.22x = 29,031.21 × 6,871.20
  4. Step 4: Simplify right side
    19,352.22x = 199,479,141.28
  5. Step 5: Solve for x
    x = 199,479,141.28/19,352.22
  6. Step 6: Final answer
    x = 10,307.82

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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.