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Finding the Fourth Proportional to 17,995.80, 24,820.82 and 13,214.25

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Solution

The fourth proportional to 17,995.80, 24,820.82 and 13,214.25 is: 18,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.80 : 24,820.82 = 13,214.25 : x
  2. Step 2: Convert to fraction form
    17,995.80/24,820.82 = 13,214.25/x
  3. Step 3: Cross multiply
    17,995.80x = 24,820.82 × 13,214.25
  4. Step 4: Simplify right side
    17,995.80x = 327,988,460.64
  5. Step 5: Solve for x
    x = 327,988,460.64/17,995.80
  6. Step 6: Final answer
    x = 18,225.83

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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.