Home / 15,511.90-23,267.60-3,825.12

Finding the Fourth Proportional to 15,511.90, 23,267.60 and 3,825.12

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Solution

The fourth proportional to 15,511.90, 23,267.60 and 3,825.12 is: 5,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.90 : 23,267.60 = 3,825.12 : x
  2. Step 2: Convert to fraction form
    15,511.90/23,267.60 = 3,825.12/x
  3. Step 3: Cross multiply
    15,511.90x = 23,267.60 × 3,825.12
  4. Step 4: Simplify right side
    15,511.90x = 89,001,362.11
  5. Step 5: Solve for x
    x = 89,001,362.11/15,511.90
  6. Step 6: Final answer
    x = 5,737.62

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1.5x scale

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.