Home / 16,965.04-25,447.60-5,279.44

Finding the Fourth Proportional to 16,965.04, 25,447.60 and 5,279.44

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Solution

The fourth proportional to 16,965.04, 25,447.60 and 5,279.44 is: 7,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.04 : 25,447.60 = 5,279.44 : x
  2. Step 2: Convert to fraction form
    16,965.04/25,447.60 = 5,279.44/x
  3. Step 3: Cross multiply
    16,965.04x = 25,447.60 × 5,279.44
  4. Step 4: Simplify right side
    16,965.04x = 134,349,077.34
  5. Step 5: Solve for x
    x = 134,349,077.34/16,965.04
  6. Step 6: Final answer
    x = 7,919.17

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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.