Home / 13,820.06-19,071.73-7,532.43

Finding the Fourth Proportional to 13,820.06, 19,071.73 and 7,532.43

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Solution

The fourth proportional to 13,820.06, 19,071.73 and 7,532.43 is: 10,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.06 : 19,071.73 = 7,532.43 : x
  2. Step 2: Convert to fraction form
    13,820.06/19,071.73 = 7,532.43/x
  3. Step 3: Cross multiply
    13,820.06x = 19,071.73 × 7,532.43
  4. Step 4: Simplify right side
    13,820.06x = 143,656,471.20
  5. Step 5: Solve for x
    x = 143,656,471.20/13,820.06
  6. Step 6: Final answer
    x = 10,394.78

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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.