Home / 12,400.24-18,596.74-3,633.08

Finding the Fourth Proportional to 12,400.24, 18,596.74 and 3,633.08

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Solution

The fourth proportional to 12,400.24, 18,596.74 and 3,633.08 is: 5,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.24 : 18,596.74 = 3,633.08 : x
  2. Step 2: Convert to fraction form
    12,400.24/18,596.74 = 3,633.08/x
  3. Step 3: Cross multiply
    12,400.24x = 18,596.74 × 3,633.08
  4. Step 4: Simplify right side
    12,400.24x = 67,563,444.16
  5. Step 5: Solve for x
    x = 67,563,444.16/12,400.24
  6. Step 6: Final answer
    x = 5,448.56

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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.