Home / 14,777.61-20,392.79-8,063.43

Finding the Fourth Proportional to 14,777.61, 20,392.79 and 8,063.43

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Solution

The fourth proportional to 14,777.61, 20,392.79 and 8,063.43 is: 11,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.61 : 20,392.79 = 8,063.43 : x
  2. Step 2: Convert to fraction form
    14,777.61/20,392.79 = 8,063.43/x
  3. Step 3: Cross multiply
    14,777.61x = 20,392.79 × 8,063.43
  4. Step 4: Simplify right side
    14,777.61x = 164,435,794.35
  5. Step 5: Solve for x
    x = 164,435,794.35/14,777.61
  6. Step 6: Final answer
    x = 11,127.36

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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.