Home / 14,156.25-19,536.03-7,869.03

Finding the Fourth Proportional to 14,156.25, 19,536.03 and 7,869.03

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Solution

The fourth proportional to 14,156.25, 19,536.03 and 7,869.03 is: 10,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.25 : 19,536.03 = 7,869.03 : x
  2. Step 2: Convert to fraction form
    14,156.25/19,536.03 = 7,869.03/x
  3. Step 3: Cross multiply
    14,156.25x = 19,536.03 × 7,869.03
  4. Step 4: Simplify right side
    14,156.25x = 153,729,606.15
  5. Step 5: Solve for x
    x = 153,729,606.15/14,156.25
  6. Step 6: Final answer
    x = 10,859.49

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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.