Home / 13,907.83-19,192.81-7,534.43

Finding the Fourth Proportional to 13,907.83, 19,192.81 and 7,534.43

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Solution

The fourth proportional to 13,907.83, 19,192.81 and 7,534.43 is: 10,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.83 : 19,192.81 = 7,534.43 : x
  2. Step 2: Convert to fraction form
    13,907.83/19,192.81 = 7,534.43/x
  3. Step 3: Cross multiply
    13,907.83x = 19,192.81 × 7,534.43
  4. Step 4: Simplify right side
    13,907.83x = 144,606,883.45
  5. Step 5: Solve for x
    x = 144,606,883.45/13,907.83
  6. Step 6: Final answer
    x = 10,397.52

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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.