Home / 13,410.99-20,108.65-4,048.20

Finding the Fourth Proportional to 13,410.99, 20,108.65 and 4,048.20

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Solution

The fourth proportional to 13,410.99, 20,108.65 and 4,048.20 is: 6,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.99 : 20,108.65 = 4,048.20 : x
  2. Step 2: Convert to fraction form
    13,410.99/20,108.65 = 4,048.20/x
  3. Step 3: Cross multiply
    13,410.99x = 20,108.65 × 4,048.20
  4. Step 4: Simplify right side
    13,410.99x = 81,403,836.93
  5. Step 5: Solve for x
    x = 81,403,836.93/13,410.99
  6. Step 6: Final answer
    x = 6,069.93

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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.