Home / 19,116.12-28,675.62-5,265

Finding the Fourth Proportional to 19,116.12, 28,675.62 and 5,265

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Solution

The fourth proportional to 19,116.12, 28,675.62 and 5,265 is: 7,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.12 : 28,675.62 = 5,265 : x
  2. Step 2: Convert to fraction form
    19,116.12/28,675.62 = 5,265/x
  3. Step 3: Cross multiply
    19,116.12x = 28,675.62 × 5,265
  4. Step 4: Simplify right side
    19,116.12x = 150,977,139.30
  5. Step 5: Solve for x
    x = 150,977,139.30/19,116.12
  6. Step 6: Final answer
    x = 7,897.90

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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.