Home / 13,143.24-19,614.27-11,740.82

Finding the Fourth Proportional to 13,143.24, 19,614.27 and 11,740.82

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Solution

The fourth proportional to 13,143.24, 19,614.27 and 11,740.82 is: 17,521.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.24 : 19,614.27 = 11,740.82 : x
  2. Step 2: Convert to fraction form
    13,143.24/19,614.27 = 11,740.82/x
  3. Step 3: Cross multiply
    13,143.24x = 19,614.27 × 11,740.82
  4. Step 4: Simplify right side
    13,143.24x = 230,287,662.54
  5. Step 5: Solve for x
    x = 230,287,662.54/13,143.24
  6. Step 6: Final answer
    x = 17,521.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.