Home / 14,548.88-20,076.48-8,580.28

Finding the Fourth Proportional to 14,548.88, 20,076.48 and 8,580.28

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Solution

The fourth proportional to 14,548.88, 20,076.48 and 8,580.28 is: 11,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.88 : 20,076.48 = 8,580.28 : x
  2. Step 2: Convert to fraction form
    14,548.88/20,076.48 = 8,580.28/x
  3. Step 3: Cross multiply
    14,548.88x = 20,076.48 × 8,580.28
  4. Step 4: Simplify right side
    14,548.88x = 172,261,819.81
  5. Step 5: Solve for x
    x = 172,261,819.81/14,548.88
  6. Step 6: Final answer
    x = 11,840.21

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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.