Home / 20,239.74-27,927.90-11,624.76

Finding the Fourth Proportional to 20,239.74, 27,927.90 and 11,624.76

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Solution

The fourth proportional to 20,239.74, 27,927.90 and 11,624.76 is: 16,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.74 : 27,927.90 = 11,624.76 : x
  2. Step 2: Convert to fraction form
    20,239.74/27,927.90 = 11,624.76/x
  3. Step 3: Cross multiply
    20,239.74x = 27,927.90 × 11,624.76
  4. Step 4: Simplify right side
    20,239.74x = 324,655,134.80
  5. Step 5: Solve for x
    x = 324,655,134.80/20,239.74
  6. Step 6: Final answer
    x = 16,040.48

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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.