Home / 19,095.28-28,636.08-6,611.95

Finding the Fourth Proportional to 19,095.28, 28,636.08 and 6,611.95

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Solution

The fourth proportional to 19,095.28, 28,636.08 and 6,611.95 is: 9,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.28 : 28,636.08 = 6,611.95 : x
  2. Step 2: Convert to fraction form
    19,095.28/28,636.08 = 6,611.95/x
  3. Step 3: Cross multiply
    19,095.28x = 28,636.08 × 6,611.95
  4. Step 4: Simplify right side
    19,095.28x = 189,340,329.16
  5. Step 5: Solve for x
    x = 189,340,329.16/19,095.28
  6. Step 6: Final answer
    x = 9,915.56

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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.