Home / 16,379.10-22,603.16-9,305.53

Finding the Fourth Proportional to 16,379.10, 22,603.16 and 9,305.53

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Solution

The fourth proportional to 16,379.10, 22,603.16 and 9,305.53 is: 12,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.10 : 22,603.16 = 9,305.53 : x
  2. Step 2: Convert to fraction form
    16,379.10/22,603.16 = 9,305.53/x
  3. Step 3: Cross multiply
    16,379.10x = 22,603.16 × 9,305.53
  4. Step 4: Simplify right side
    16,379.10x = 210,334,280.44
  5. Step 5: Solve for x
    x = 210,334,280.44/16,379.10
  6. Step 6: Final answer
    x = 12,841.63

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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.