Home / 14,801.72-20,425.74-8,087.24

Finding the Fourth Proportional to 14,801.72, 20,425.74 and 8,087.24

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Solution

The fourth proportional to 14,801.72, 20,425.74 and 8,087.24 is: 11,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.72 : 20,425.74 = 8,087.24 : x
  2. Step 2: Convert to fraction form
    14,801.72/20,425.74 = 8,087.24/x
  3. Step 3: Cross multiply
    14,801.72x = 20,425.74 × 8,087.24
  4. Step 4: Simplify right side
    14,801.72x = 165,187,861.56
  5. Step 5: Solve for x
    x = 165,187,861.56/14,801.72
  6. Step 6: Final answer
    x = 11,160.05

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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.