Home / 20,950.83-31,426.25-6,159.82

Finding the Fourth Proportional to 20,950.83, 31,426.25 and 6,159.82

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Solution

The fourth proportional to 20,950.83, 31,426.25 and 6,159.82 is: 9,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.83 : 31,426.25 = 6,159.82 : x
  2. Step 2: Convert to fraction form
    20,950.83/31,426.25 = 6,159.82/x
  3. Step 3: Cross multiply
    20,950.83x = 31,426.25 × 6,159.82
  4. Step 4: Simplify right side
    20,950.83x = 193,580,043.28
  5. Step 5: Solve for x
    x = 193,580,043.28/20,950.83
  6. Step 6: Final answer
    x = 9,239.73

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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.