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Finding the Fourth Proportional to 14,213.25, 19,614.69 and 7,926.03

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Solution

The fourth proportional to 14,213.25, 19,614.69 and 7,926.03 is: 10,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.25 : 19,614.69 = 7,926.03 : x
  2. Step 2: Convert to fraction form
    14,213.25/19,614.69 = 7,926.03/x
  3. Step 3: Cross multiply
    14,213.25x = 19,614.69 × 7,926.03
  4. Step 4: Simplify right side
    14,213.25x = 155,466,621.38
  5. Step 5: Solve for x
    x = 155,466,621.38/14,213.25
  6. Step 6: Final answer
    x = 10,938.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.