Home / 19,274.65-28,915.27-6,623.80

Finding the Fourth Proportional to 19,274.65, 28,915.27 and 6,623.80

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Solution

The fourth proportional to 19,274.65, 28,915.27 and 6,623.80 is: 9,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.65 : 28,915.27 = 6,623.80 : x
  2. Step 2: Convert to fraction form
    19,274.65/28,915.27 = 6,623.80/x
  3. Step 3: Cross multiply
    19,274.65x = 28,915.27 × 6,623.80
  4. Step 4: Simplify right side
    19,274.65x = 191,528,876.58
  5. Step 5: Solve for x
    x = 191,528,876.58/19,274.65
  6. Step 6: Final answer
    x = 9,936.83

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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.