Home / 18,678.24-25,775.97-10,180.37

Finding the Fourth Proportional to 18,678.24, 25,775.97 and 10,180.37

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Solution

The fourth proportional to 18,678.24, 25,775.97 and 10,180.37 is: 14,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.24 : 25,775.97 = 10,180.37 : x
  2. Step 2: Convert to fraction form
    18,678.24/25,775.97 = 10,180.37/x
  3. Step 3: Cross multiply
    18,678.24x = 25,775.97 × 10,180.37
  4. Step 4: Simplify right side
    18,678.24x = 262,408,911.71
  5. Step 5: Solve for x
    x = 262,408,911.71/18,678.24
  6. Step 6: Final answer
    x = 14,048.91

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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.