Home / 13,782.24-20,661.66-5,468.10

Finding the Fourth Proportional to 13,782.24, 20,661.66 and 5,468.10

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Solution

The fourth proportional to 13,782.24, 20,661.66 and 5,468.10 is: 8,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.24 : 20,661.66 = 5,468.10 : x
  2. Step 2: Convert to fraction form
    13,782.24/20,661.66 = 5,468.10/x
  3. Step 3: Cross multiply
    13,782.24x = 20,661.66 × 5,468.10
  4. Step 4: Simplify right side
    13,782.24x = 112,980,023.05
  5. Step 5: Solve for x
    x = 112,980,023.05/13,782.24
  6. Step 6: Final answer
    x = 8,197.51

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1.5x scale

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.