Home / 19,012.62-28,511.65-6,530.32

Finding the Fourth Proportional to 19,012.62, 28,511.65 and 6,530.32

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Solution

The fourth proportional to 19,012.62, 28,511.65 and 6,530.32 is: 9,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.62 : 28,511.65 = 6,530.32 : x
  2. Step 2: Convert to fraction form
    19,012.62/28,511.65 = 6,530.32/x
  3. Step 3: Cross multiply
    19,012.62x = 28,511.65 × 6,530.32
  4. Step 4: Simplify right side
    19,012.62x = 186,190,205.30
  5. Step 5: Solve for x
    x = 186,190,205.30/19,012.62
  6. Step 6: Final answer
    x = 9,792.98

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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.