Home / 19,218.42-26,520.39-10,834.38

Finding the Fourth Proportional to 19,218.42, 26,520.39 and 10,834.38

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Solution

The fourth proportional to 19,218.42, 26,520.39 and 10,834.38 is: 14,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.42 : 26,520.39 = 10,834.38 : x
  2. Step 2: Convert to fraction form
    19,218.42/26,520.39 = 10,834.38/x
  3. Step 3: Cross multiply
    19,218.42x = 26,520.39 × 10,834.38
  4. Step 4: Simplify right side
    19,218.42x = 287,331,983.01
  5. Step 5: Solve for x
    x = 287,331,983.01/19,218.42
  6. Step 6: Final answer
    x = 14,950.86

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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.