Home / 17,815.87-26,733.10-12,925.86

Finding the Fourth Proportional to 17,815.87, 26,733.10 and 12,925.86

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Solution

The fourth proportional to 17,815.87, 26,733.10 and 12,925.86 is: 19,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.87 : 26,733.10 = 12,925.86 : x
  2. Step 2: Convert to fraction form
    17,815.87/26,733.10 = 12,925.86/x
  3. Step 3: Cross multiply
    17,815.87x = 26,733.10 × 12,925.86
  4. Step 4: Simplify right side
    17,815.87x = 345,548,307.97
  5. Step 5: Solve for x
    x = 345,548,307.97/17,815.87
  6. Step 6: Final answer
    x = 19,395.53

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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.