Home / 18,540.84-25,585.38-12,069.48

Finding the Fourth Proportional to 18,540.84, 25,585.38 and 12,069.48

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Solution

The fourth proportional to 18,540.84, 25,585.38 and 12,069.48 is: 16,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.84 : 25,585.38 = 12,069.48 : x
  2. Step 2: Convert to fraction form
    18,540.84/25,585.38 = 12,069.48/x
  3. Step 3: Cross multiply
    18,540.84x = 25,585.38 × 12,069.48
  4. Step 4: Simplify right side
    18,540.84x = 308,802,232.20
  5. Step 5: Solve for x
    x = 308,802,232.20/18,540.84
  6. Step 6: Final answer
    x = 16,655.24

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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.