Home / 20,237.30-27,926.02-11,285.27

Finding the Fourth Proportional to 20,237.30, 27,926.02 and 11,285.27

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Solution

The fourth proportional to 20,237.30, 27,926.02 and 11,285.27 is: 15,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.30 : 27,926.02 = 11,285.27 : x
  2. Step 2: Convert to fraction form
    20,237.30/27,926.02 = 11,285.27/x
  3. Step 3: Cross multiply
    20,237.30x = 27,926.02 × 11,285.27
  4. Step 4: Simplify right side
    20,237.30x = 315,152,675.73
  5. Step 5: Solve for x
    x = 315,152,675.73/20,237.30
  6. Step 6: Final answer
    x = 15,572.86

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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.