Home / 17,543.10-26,285.48-12,338.04

Finding the Fourth Proportional to 17,543.10, 26,285.48 and 12,338.04

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Solution

The fourth proportional to 17,543.10, 26,285.48 and 12,338.04 is: 18,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.10 : 26,285.48 = 12,338.04 : x
  2. Step 2: Convert to fraction form
    17,543.10/26,285.48 = 12,338.04/x
  3. Step 3: Cross multiply
    17,543.10x = 26,285.48 × 12,338.04
  4. Step 4: Simplify right side
    17,543.10x = 324,311,303.66
  5. Step 5: Solve for x
    x = 324,311,303.66/17,543.10
  6. Step 6: Final answer
    x = 18,486.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.