Home / 13,893.39-19,172.90-7,605.77

Finding the Fourth Proportional to 13,893.39, 19,172.90 and 7,605.77

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Solution

The fourth proportional to 13,893.39, 19,172.90 and 7,605.77 is: 10,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.39 : 19,172.90 = 7,605.77 : x
  2. Step 2: Convert to fraction form
    13,893.39/19,172.90 = 7,605.77/x
  3. Step 3: Cross multiply
    13,893.39x = 19,172.90 × 7,605.77
  4. Step 4: Simplify right side
    13,893.39x = 145,824,590.78
  5. Step 5: Solve for x
    x = 145,824,590.78/13,893.39
  6. Step 6: Final answer
    x = 10,495.97

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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.