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Finding the Fourth Proportional to 14,607, 20,174.13 and 9,883.08

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Solution

The fourth proportional to 14,607, 20,174.13 and 9,883.08 is: 13,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607 : 20,174.13 = 9,883.08 : x
  2. Step 2: Convert to fraction form
    14,607/20,174.13 = 9,883.08/x
  3. Step 3: Cross multiply
    14,607x = 20,174.13 × 9,883.08
  4. Step 4: Simplify right side
    14,607x = 199,382,540.72
  5. Step 5: Solve for x
    x = 199,382,540.72/14,607
  6. Step 6: Final answer
    x = 13,649.79

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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.