Home / 13,650.84-20,484.06-7,411.36

Finding the Fourth Proportional to 13,650.84, 20,484.06 and 7,411.36

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Solution

The fourth proportional to 13,650.84, 20,484.06 and 7,411.36 is: 11,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.84 : 20,484.06 = 7,411.36 : x
  2. Step 2: Convert to fraction form
    13,650.84/20,484.06 = 7,411.36/x
  3. Step 3: Cross multiply
    13,650.84x = 20,484.06 × 7,411.36
  4. Step 4: Simplify right side
    13,650.84x = 151,814,603.44
  5. Step 5: Solve for x
    x = 151,814,603.44/13,650.84
  6. Step 6: Final answer
    x = 11,121.27

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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.