Home / 18,355.35-25,334.42-12,068.31

Finding the Fourth Proportional to 18,355.35, 25,334.42 and 12,068.31

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Solution

The fourth proportional to 18,355.35, 25,334.42 and 12,068.31 is: 16,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.35 : 25,334.42 = 12,068.31 : x
  2. Step 2: Convert to fraction form
    18,355.35/25,334.42 = 12,068.31/x
  3. Step 3: Cross multiply
    18,355.35x = 25,334.42 × 12,068.31
  4. Step 4: Simplify right side
    18,355.35x = 305,743,634.23
  5. Step 5: Solve for x
    x = 305,743,634.23/18,355.35
  6. Step 6: Final answer
    x = 16,656.92

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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.