Home / 13,900.52-20,848.56-4,540.46

Finding the Fourth Proportional to 13,900.52, 20,848.56 and 4,540.46

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Solution

The fourth proportional to 13,900.52, 20,848.56 and 4,540.46 is: 6,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.52 : 20,848.56 = 4,540.46 : x
  2. Step 2: Convert to fraction form
    13,900.52/20,848.56 = 4,540.46/x
  3. Step 3: Cross multiply
    13,900.52x = 20,848.56 × 4,540.46
  4. Step 4: Simplify right side
    13,900.52x = 94,662,052.74
  5. Step 5: Solve for x
    x = 94,662,052.74/13,900.52
  6. Step 6: Final answer
    x = 6,809.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.