Home / 18,516.20-25,552.66-10,133.16

Finding the Fourth Proportional to 18,516.20, 25,552.66 and 10,133.16

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Solution

The fourth proportional to 18,516.20, 25,552.66 and 10,133.16 is: 13,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.20 : 25,552.66 = 10,133.16 : x
  2. Step 2: Convert to fraction form
    18,516.20/25,552.66 = 10,133.16/x
  3. Step 3: Cross multiply
    18,516.20x = 25,552.66 × 10,133.16
  4. Step 4: Simplify right side
    18,516.20x = 258,929,192.21
  5. Step 5: Solve for x
    x = 258,929,192.21/18,516.20
  6. Step 6: Final answer
    x = 13,983.93

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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.