Home / 18,576.54-25,635.51-10,078.65

Finding the Fourth Proportional to 18,576.54, 25,635.51 and 10,078.65

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Solution

The fourth proportional to 18,576.54, 25,635.51 and 10,078.65 is: 13,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.54 : 25,635.51 = 10,078.65 : x
  2. Step 2: Convert to fraction form
    18,576.54/25,635.51 = 10,078.65/x
  3. Step 3: Cross multiply
    18,576.54x = 25,635.51 × 10,078.65
  4. Step 4: Simplify right side
    18,576.54x = 258,371,332.86
  5. Step 5: Solve for x
    x = 258,371,332.86/18,576.54
  6. Step 6: Final answer
    x = 13,908.47

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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.