Home / 18,557.82-25,596.95-11,480.04

Finding the Fourth Proportional to 18,557.82, 25,596.95 and 11,480.04

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Solution

The fourth proportional to 18,557.82, 25,596.95 and 11,480.04 is: 15,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.82 : 25,596.95 = 11,480.04 : x
  2. Step 2: Convert to fraction form
    18,557.82/25,596.95 = 11,480.04/x
  3. Step 3: Cross multiply
    18,557.82x = 25,596.95 × 11,480.04
  4. Step 4: Simplify right side
    18,557.82x = 293,853,952.48
  5. Step 5: Solve for x
    x = 293,853,952.48/18,557.82
  6. Step 6: Final answer
    x = 15,834.51

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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.