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Finding the Fourth Proportional to 19,365, 26,724.24 and 10,982.04

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Solution

The fourth proportional to 19,365, 26,724.24 and 10,982.04 is: 15,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365 : 26,724.24 = 10,982.04 : x
  2. Step 2: Convert to fraction form
    19,365/26,724.24 = 10,982.04/x
  3. Step 3: Cross multiply
    19,365x = 26,724.24 × 10,982.04
  4. Step 4: Simplify right side
    19,365x = 293,486,672.65
  5. Step 5: Solve for x
    x = 293,486,672.65/19,365
  6. Step 6: Final answer
    x = 15,155.52

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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.