Home / 18,516.16-25,552-10,132.48

Finding the Fourth Proportional to 18,516.16, 25,552 and 10,132.48

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Solution

The fourth proportional to 18,516.16, 25,552 and 10,132.48 is: 13,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.16 : 25,552 = 10,132.48 : x
  2. Step 2: Convert to fraction form
    18,516.16/25,552 = 10,132.48/x
  3. Step 3: Cross multiply
    18,516.16x = 25,552 × 10,132.48
  4. Step 4: Simplify right side
    18,516.16x = 258,905,128.96
  5. Step 5: Solve for x
    x = 258,905,128.96/18,516.16
  6. Step 6: Final answer
    x = 13,982.66

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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.