Home / 13,624.29-20,436.45-4,739.01

Finding the Fourth Proportional to 13,624.29, 20,436.45 and 4,739.01

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Solution

The fourth proportional to 13,624.29, 20,436.45 and 4,739.01 is: 7,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.29 : 20,436.45 = 4,739.01 : x
  2. Step 2: Convert to fraction form
    13,624.29/20,436.45 = 4,739.01/x
  3. Step 3: Cross multiply
    13,624.29x = 20,436.45 × 4,739.01
  4. Step 4: Simplify right side
    13,624.29x = 96,848,540.91
  5. Step 5: Solve for x
    x = 96,848,540.91/13,624.29
  6. Step 6: Final answer
    x = 7,108.52

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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.