Home / 14,727.36-20,323.54-8,012.90

Finding the Fourth Proportional to 14,727.36, 20,323.54 and 8,012.90

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Solution

The fourth proportional to 14,727.36, 20,323.54 and 8,012.90 is: 11,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.36 : 20,323.54 = 8,012.90 : x
  2. Step 2: Convert to fraction form
    14,727.36/20,323.54 = 8,012.90/x
  3. Step 3: Cross multiply
    14,727.36x = 20,323.54 × 8,012.90
  4. Step 4: Simplify right side
    14,727.36x = 162,850,493.67
  5. Step 5: Solve for x
    x = 162,850,493.67/14,727.36
  6. Step 6: Final answer
    x = 11,057.68

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1.5x scale

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.