Home / 13,274.13-19,904.70-7,574.43

Finding the Fourth Proportional to 13,274.13, 19,904.70 and 7,574.43

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Solution

The fourth proportional to 13,274.13, 19,904.70 and 7,574.43 is: 11,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.13 : 19,904.70 = 7,574.43 : x
  2. Step 2: Convert to fraction form
    13,274.13/19,904.70 = 7,574.43/x
  3. Step 3: Cross multiply
    13,274.13x = 19,904.70 × 7,574.43
  4. Step 4: Simplify right side
    13,274.13x = 150,766,756.82
  5. Step 5: Solve for x
    x = 150,766,756.82/13,274.13
  6. Step 6: Final answer
    x = 11,357.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.