Home / 20,849.27-31,273.98-5,266.91

Finding the Fourth Proportional to 20,849.27, 31,273.98 and 5,266.91

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Solution

The fourth proportional to 20,849.27, 31,273.98 and 5,266.91 is: 7,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.27 : 31,273.98 = 5,266.91 : x
  2. Step 2: Convert to fraction form
    20,849.27/31,273.98 = 5,266.91/x
  3. Step 3: Cross multiply
    20,849.27x = 31,273.98 × 5,266.91
  4. Step 4: Simplify right side
    20,849.27x = 164,717,238.00
  5. Step 5: Solve for x
    x = 164,717,238.00/20,849.27
  6. Step 6: Final answer
    x = 7,900.38

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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.