Home / 18,427.73-25,432.45-11,631.62

Finding the Fourth Proportional to 18,427.73, 25,432.45 and 11,631.62

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Solution

The fourth proportional to 18,427.73, 25,432.45 and 11,631.62 is: 16,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.73 : 25,432.45 = 11,631.62 : x
  2. Step 2: Convert to fraction form
    18,427.73/25,432.45 = 11,631.62/x
  3. Step 3: Cross multiply
    18,427.73x = 25,432.45 × 11,631.62
  4. Step 4: Simplify right side
    18,427.73x = 295,820,628.57
  5. Step 5: Solve for x
    x = 295,820,628.57/18,427.73
  6. Step 6: Final answer
    x = 16,053.02

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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.