Home / 20,001.72-27,603.52-12,046.50

Finding the Fourth Proportional to 20,001.72, 27,603.52 and 12,046.50

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Solution

The fourth proportional to 20,001.72, 27,603.52 and 12,046.50 is: 16,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.72 : 27,603.52 = 12,046.50 : x
  2. Step 2: Convert to fraction form
    20,001.72/27,603.52 = 12,046.50/x
  3. Step 3: Cross multiply
    20,001.72x = 27,603.52 × 12,046.50
  4. Step 4: Simplify right side
    20,001.72x = 332,525,803.68
  5. Step 5: Solve for x
    x = 332,525,803.68/20,001.72
  6. Step 6: Final answer
    x = 16,624.86

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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.