Home / 14,777.67-20,392.79-8,063.30

Finding the Fourth Proportional to 14,777.67, 20,392.79 and 8,063.30

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Solution

The fourth proportional to 14,777.67, 20,392.79 and 8,063.30 is: 11,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.67 : 20,392.79 = 8,063.30 : x
  2. Step 2: Convert to fraction form
    14,777.67/20,392.79 = 8,063.30/x
  3. Step 3: Cross multiply
    14,777.67x = 20,392.79 × 8,063.30
  4. Step 4: Simplify right side
    14,777.67x = 164,433,102.24
  5. Step 5: Solve for x
    x = 164,433,102.24/14,777.67
  6. Step 6: Final answer
    x = 11,127.14

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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.