Home / 18,787.56-25,926.39-10,829.31

Finding the Fourth Proportional to 18,787.56, 25,926.39 and 10,829.31

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Solution

The fourth proportional to 18,787.56, 25,926.39 and 10,829.31 is: 14,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.56 : 25,926.39 = 10,829.31 : x
  2. Step 2: Convert to fraction form
    18,787.56/25,926.39 = 10,829.31/x
  3. Step 3: Cross multiply
    18,787.56x = 25,926.39 × 10,829.31
  4. Step 4: Simplify right side
    18,787.56x = 280,764,914.49
  5. Step 5: Solve for x
    x = 280,764,914.49/18,787.56
  6. Step 6: Final answer
    x = 14,944.19

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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.