Home / 18,627.72-25,707.48-11,558.88

Finding the Fourth Proportional to 18,627.72, 25,707.48 and 11,558.88

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Solution

The fourth proportional to 18,627.72, 25,707.48 and 11,558.88 is: 15,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.72 : 25,707.48 = 11,558.88 : x
  2. Step 2: Convert to fraction form
    18,627.72/25,707.48 = 11,558.88/x
  3. Step 3: Cross multiply
    18,627.72x = 25,707.48 × 11,558.88
  4. Step 4: Simplify right side
    18,627.72x = 297,149,676.42
  5. Step 5: Solve for x
    x = 297,149,676.42/18,627.72
  6. Step 6: Final answer
    x = 15,952.02

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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.