Home / 14,548.80-20,076.48-8,261.28

Finding the Fourth Proportional to 14,548.80, 20,076.48 and 8,261.28

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Solution

The fourth proportional to 14,548.80, 20,076.48 and 8,261.28 is: 11,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.80 : 20,076.48 = 8,261.28 : x
  2. Step 2: Convert to fraction form
    14,548.80/20,076.48 = 8,261.28/x
  3. Step 3: Cross multiply
    14,548.80x = 20,076.48 × 8,261.28
  4. Step 4: Simplify right side
    14,548.80x = 165,857,422.69
  5. Step 5: Solve for x
    x = 165,857,422.69/14,548.80
  6. Step 6: Final answer
    x = 11,400.08

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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.