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Finding the Fourth Proportional to 17,668.90, 24,370.74 and 14,997.88

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Solution

The fourth proportional to 17,668.90, 24,370.74 and 14,997.88 is: 20,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.90 : 24,370.74 = 14,997.88 : x
  2. Step 2: Convert to fraction form
    17,668.90/24,370.74 = 14,997.88/x
  3. Step 3: Cross multiply
    17,668.90x = 24,370.74 × 14,997.88
  4. Step 4: Simplify right side
    17,668.90x = 365,509,434.03
  5. Step 5: Solve for x
    x = 365,509,434.03/17,668.90
  6. Step 6: Final answer
    x = 20,686.60

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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.