Home / 13,055.45-19,579.32-5,658.12

Finding the Fourth Proportional to 13,055.45, 19,579.32 and 5,658.12

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Solution

The fourth proportional to 13,055.45, 19,579.32 and 5,658.12 is: 8,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.45 : 19,579.32 = 5,658.12 : x
  2. Step 2: Convert to fraction form
    13,055.45/19,579.32 = 5,658.12/x
  3. Step 3: Cross multiply
    13,055.45x = 19,579.32 × 5,658.12
  4. Step 4: Simplify right side
    13,055.45x = 110,782,142.08
  5. Step 5: Solve for x
    x = 110,782,142.08/13,055.45
  6. Step 6: Final answer
    x = 8,485.51

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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.