Home / 18,963.05-26,170.49-10,465.94

Finding the Fourth Proportional to 18,963.05, 26,170.49 and 10,465.94

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Solution

The fourth proportional to 18,963.05, 26,170.49 and 10,465.94 is: 14,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.05 : 26,170.49 = 10,465.94 : x
  2. Step 2: Convert to fraction form
    18,963.05/26,170.49 = 10,465.94/x
  3. Step 3: Cross multiply
    18,963.05x = 26,170.49 × 10,465.94
  4. Step 4: Simplify right side
    18,963.05x = 273,898,869.70
  5. Step 5: Solve for x
    x = 273,898,869.70/18,963.05
  6. Step 6: Final answer
    x = 14,443.82

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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.