Home / 18,160.44-25,024.32-13,115.76

Finding the Fourth Proportional to 18,160.44, 25,024.32 and 13,115.76

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Solution

The fourth proportional to 18,160.44, 25,024.32 and 13,115.76 is: 18,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.44 : 25,024.32 = 13,115.76 : x
  2. Step 2: Convert to fraction form
    18,160.44/25,024.32 = 13,115.76/x
  3. Step 3: Cross multiply
    18,160.44x = 25,024.32 × 13,115.76
  4. Step 4: Simplify right side
    18,160.44x = 328,212,975.28
  5. Step 5: Solve for x
    x = 328,212,975.28/18,160.44
  6. Step 6: Final answer
    x = 18,072.96

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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.