Home / 18,828.87-25,984.17-10,445.37

Finding the Fourth Proportional to 18,828.87, 25,984.17 and 10,445.37

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Solution

The fourth proportional to 18,828.87, 25,984.17 and 10,445.37 is: 14,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.87 : 25,984.17 = 10,445.37 : x
  2. Step 2: Convert to fraction form
    18,828.87/25,984.17 = 10,445.37/x
  3. Step 3: Cross multiply
    18,828.87x = 25,984.17 × 10,445.37
  4. Step 4: Simplify right side
    18,828.87x = 271,414,269.79
  5. Step 5: Solve for x
    x = 271,414,269.79/18,828.87
  6. Step 6: Final answer
    x = 14,414.79

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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.