Home / 18,576.57-25,635.52-10,078.70

Finding the Fourth Proportional to 18,576.57, 25,635.52 and 10,078.70

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Solution

The fourth proportional to 18,576.57, 25,635.52 and 10,078.70 is: 13,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.57 : 25,635.52 = 10,078.70 : x
  2. Step 2: Convert to fraction form
    18,576.57/25,635.52 = 10,078.70/x
  3. Step 3: Cross multiply
    18,576.57x = 25,635.52 × 10,078.70
  4. Step 4: Simplify right side
    18,576.57x = 258,372,599.84
  5. Step 5: Solve for x
    x = 258,372,599.84/18,576.57
  6. Step 6: Final answer
    x = 13,908.52

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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.