Home / 19,521.33-29,282.25-6,871.47

Finding the Fourth Proportional to 19,521.33, 29,282.25 and 6,871.47

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Solution

The fourth proportional to 19,521.33, 29,282.25 and 6,871.47 is: 10,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.33 : 29,282.25 = 6,871.47 : x
  2. Step 2: Convert to fraction form
    19,521.33/29,282.25 = 6,871.47/x
  3. Step 3: Cross multiply
    19,521.33x = 29,282.25 × 6,871.47
  4. Step 4: Simplify right side
    19,521.33x = 201,212,102.41
  5. Step 5: Solve for x
    x = 201,212,102.41/19,521.33
  6. Step 6: Final answer
    x = 10,307.29

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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.