Home / 14,126.64-19,494.30-7,839.48

Finding the Fourth Proportional to 14,126.64, 19,494.30 and 7,839.48

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Solution

The fourth proportional to 14,126.64, 19,494.30 and 7,839.48 is: 10,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.64 : 19,494.30 = 7,839.48 : x
  2. Step 2: Convert to fraction form
    14,126.64/19,494.30 = 7,839.48/x
  3. Step 3: Cross multiply
    14,126.64x = 19,494.30 × 7,839.48
  4. Step 4: Simplify right side
    14,126.64x = 152,825,174.96
  5. Step 5: Solve for x
    x = 152,825,174.96/14,126.64
  6. Step 6: Final answer
    x = 10,818.23

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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.