Home / 18,550.08-25,584.66-11,480.40

Finding the Fourth Proportional to 18,550.08, 25,584.66 and 11,480.40

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Solution

The fourth proportional to 18,550.08, 25,584.66 and 11,480.40 is: 15,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.08 : 25,584.66 = 11,480.40 : x
  2. Step 2: Convert to fraction form
    18,550.08/25,584.66 = 11,480.40/x
  3. Step 3: Cross multiply
    18,550.08x = 25,584.66 × 11,480.40
  4. Step 4: Simplify right side
    18,550.08x = 293,722,130.66
  5. Step 5: Solve for x
    x = 293,722,130.66/18,550.08
  6. Step 6: Final answer
    x = 15,834.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.