Home / 14,003.82-19,325.21-7,630.79

Finding the Fourth Proportional to 14,003.82, 19,325.21 and 7,630.79

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Solution

The fourth proportional to 14,003.82, 19,325.21 and 7,630.79 is: 10,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.82 : 19,325.21 = 7,630.79 : x
  2. Step 2: Convert to fraction form
    14,003.82/19,325.21 = 7,630.79/x
  3. Step 3: Cross multiply
    14,003.82x = 19,325.21 × 7,630.79
  4. Step 4: Simplify right side
    14,003.82x = 147,466,484.44
  5. Step 5: Solve for x
    x = 147,466,484.44/14,003.82
  6. Step 6: Final answer
    x = 10,530.45

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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.