Home / 20,344.50-28,073.05-11,848.48

Finding the Fourth Proportional to 20,344.50, 28,073.05 and 11,848.48

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Solution

The fourth proportional to 20,344.50, 28,073.05 and 11,848.48 is: 16,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.50 : 28,073.05 = 11,848.48 : x
  2. Step 2: Convert to fraction form
    20,344.50/28,073.05 = 11,848.48/x
  3. Step 3: Cross multiply
    20,344.50x = 28,073.05 × 11,848.48
  4. Step 4: Simplify right side
    20,344.50x = 332,622,871.66
  5. Step 5: Solve for x
    x = 332,622,871.66/20,344.50
  6. Step 6: Final answer
    x = 16,349.52

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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.