Home / 26,219.04-39,295.71-20,650.38

Finding the Fourth Proportional to 26,219.04, 39,295.71 and 20,650.38

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Solution

The fourth proportional to 26,219.04, 39,295.71 and 20,650.38 is: 30,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.04 : 39,295.71 = 20,650.38 : x
  2. Step 2: Convert to fraction form
    26,219.04/39,295.71 = 20,650.38/x
  3. Step 3: Cross multiply
    26,219.04x = 39,295.71 × 20,650.38
  4. Step 4: Simplify right side
    26,219.04x = 811,471,343.87
  5. Step 5: Solve for x
    x = 811,471,343.87/26,219.04
  6. Step 6: Final answer
    x = 30,949.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.