Home / 18,516.71-25,552.94-10,018.85

Finding the Fourth Proportional to 18,516.71, 25,552.94 and 10,018.85

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Solution

The fourth proportional to 18,516.71, 25,552.94 and 10,018.85 is: 13,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.71 : 25,552.94 = 10,018.85 : x
  2. Step 2: Convert to fraction form
    18,516.71/25,552.94 = 10,018.85/x
  3. Step 3: Cross multiply
    18,516.71x = 25,552.94 × 10,018.85
  4. Step 4: Simplify right side
    18,516.71x = 256,010,895.06
  5. Step 5: Solve for x
    x = 256,010,895.06/18,516.71
  6. Step 6: Final answer
    x = 13,825.94

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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.