Home / 13,562.50-20,343.87-4,798.90

Finding the Fourth Proportional to 13,562.50, 20,343.87 and 4,798.90

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Solution

The fourth proportional to 13,562.50, 20,343.87 and 4,798.90 is: 7,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.50 : 20,343.87 = 4,798.90 : x
  2. Step 2: Convert to fraction form
    13,562.50/20,343.87 = 4,798.90/x
  3. Step 3: Cross multiply
    13,562.50x = 20,343.87 × 4,798.90
  4. Step 4: Simplify right side
    13,562.50x = 97,628,197.74
  5. Step 5: Solve for x
    x = 97,628,197.74/13,562.50
  6. Step 6: Final answer
    x = 7,198.39

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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.