Home / 19,862.90-29,794.33-5,071.82

Finding the Fourth Proportional to 19,862.90, 29,794.33 and 5,071.82

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Solution

The fourth proportional to 19,862.90, 29,794.33 and 5,071.82 is: 7,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.90 : 29,794.33 = 5,071.82 : x
  2. Step 2: Convert to fraction form
    19,862.90/29,794.33 = 5,071.82/x
  3. Step 3: Cross multiply
    19,862.90x = 29,794.33 × 5,071.82
  4. Step 4: Simplify right side
    19,862.90x = 151,111,336.15
  5. Step 5: Solve for x
    x = 151,111,336.15/19,862.90
  6. Step 6: Final answer
    x = 7,607.72

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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.