Home / 20,237.06-27,927.15-11,853.56

Finding the Fourth Proportional to 20,237.06, 27,927.15 and 11,853.56

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Solution

The fourth proportional to 20,237.06, 27,927.15 and 11,853.56 is: 16,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.06 : 27,927.15 = 11,853.56 : x
  2. Step 2: Convert to fraction form
    20,237.06/27,927.15 = 11,853.56/x
  3. Step 3: Cross multiply
    20,237.06x = 27,927.15 × 11,853.56
  4. Step 4: Simplify right side
    20,237.06x = 331,036,173.52
  5. Step 5: Solve for x
    x = 331,036,173.52/20,237.06
  6. Step 6: Final answer
    x = 16,357.92

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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.