Home / 13,411.36-20,113.92-5,092.24

Finding the Fourth Proportional to 13,411.36, 20,113.92 and 5,092.24

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Solution

The fourth proportional to 13,411.36, 20,113.92 and 5,092.24 is: 7,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.36 : 20,113.92 = 5,092.24 : x
  2. Step 2: Convert to fraction form
    13,411.36/20,113.92 = 5,092.24/x
  3. Step 3: Cross multiply
    13,411.36x = 20,113.92 × 5,092.24
  4. Step 4: Simplify right side
    13,411.36x = 102,424,907.98
  5. Step 5: Solve for x
    x = 102,424,907.98/13,411.36
  6. Step 6: Final answer
    x = 7,637.18

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1.5x scale

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.