Home / 13,890.48-20,816.50-12,037.00

Finding the Fourth Proportional to 13,890.48, 20,816.50 and 12,037.00

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Solution

The fourth proportional to 13,890.48, 20,816.50 and 12,037.00 is: 18,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.48 : 20,816.50 = 12,037.00 : x
  2. Step 2: Convert to fraction form
    13,890.48/20,816.50 = 12,037.00/x
  3. Step 3: Cross multiply
    13,890.48x = 20,816.50 × 12,037.00
  4. Step 4: Simplify right side
    13,890.48x = 250,568,165.27
  5. Step 5: Solve for x
    x = 250,568,165.27/13,890.48
  6. Step 6: Final answer
    x = 18,038.84

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