Home / 18,582.75-25,640.89-10,516.37

Finding the Fourth Proportional to 18,582.75, 25,640.89 and 10,516.37

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Solution

The fourth proportional to 18,582.75, 25,640.89 and 10,516.37 is: 14,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.75 : 25,640.89 = 10,516.37 : x
  2. Step 2: Convert to fraction form
    18,582.75/25,640.89 = 10,516.37/x
  3. Step 3: Cross multiply
    18,582.75x = 25,640.89 × 10,516.37
  4. Step 4: Simplify right side
    18,582.75x = 269,648,931.87
  5. Step 5: Solve for x
    x = 269,648,931.87/18,582.75
  6. Step 6: Final answer
    x = 14,510.71

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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.