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Finding the Fourth Proportional to 17,922.72, 24,740.04 and 15,394.68

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Solution

The fourth proportional to 17,922.72, 24,740.04 and 15,394.68 is: 21,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.72 : 24,740.04 = 15,394.68 : x
  2. Step 2: Convert to fraction form
    17,922.72/24,740.04 = 15,394.68/x
  3. Step 3: Cross multiply
    17,922.72x = 24,740.04 × 15,394.68
  4. Step 4: Simplify right side
    17,922.72x = 380,864,998.99
  5. Step 5: Solve for x
    x = 380,864,998.99/17,922.72
  6. Step 6: Final answer
    x = 21,250.40

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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.