Home / 13,397.96-20,094.31-9,855.02

Finding the Fourth Proportional to 13,397.96, 20,094.31 and 9,855.02

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Solution

The fourth proportional to 13,397.96, 20,094.31 and 9,855.02 is: 14,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.96 : 20,094.31 = 9,855.02 : x
  2. Step 2: Convert to fraction form
    13,397.96/20,094.31 = 9,855.02/x
  3. Step 3: Cross multiply
    13,397.96x = 20,094.31 × 9,855.02
  4. Step 4: Simplify right side
    13,397.96x = 198,029,826.94
  5. Step 5: Solve for x
    x = 198,029,826.94/13,397.96
  6. Step 6: Final answer
    x = 14,780.60

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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.