Home / 20,950.73-31,426.09-6,159.77

Finding the Fourth Proportional to 20,950.73, 31,426.09 and 6,159.77

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Solution

The fourth proportional to 20,950.73, 31,426.09 and 6,159.77 is: 9,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.73 : 31,426.09 = 6,159.77 : x
  2. Step 2: Convert to fraction form
    20,950.73/31,426.09 = 6,159.77/x
  3. Step 3: Cross multiply
    20,950.73x = 31,426.09 × 6,159.77
  4. Step 4: Simplify right side
    20,950.73x = 193,577,455.60
  5. Step 5: Solve for x
    x = 193,577,455.60/20,950.73
  6. Step 6: Final answer
    x = 9,239.65

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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.