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Finding the Fourth Proportional to 16,379.13, 22,603.22 and 8,927.13

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Solution

The fourth proportional to 16,379.13, 22,603.22 and 8,927.13 is: 12,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.13 : 22,603.22 = 8,927.13 : x
  2. Step 2: Convert to fraction form
    16,379.13/22,603.22 = 8,927.13/x
  3. Step 3: Cross multiply
    16,379.13x = 22,603.22 × 8,927.13
  4. Step 4: Simplify right side
    16,379.13x = 201,781,883.36
  5. Step 5: Solve for x
    x = 201,781,883.36/16,379.13
  6. Step 6: Final answer
    x = 12,319.45

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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.