Home / 18,325.72-25,289.49-10,367.78

Finding the Fourth Proportional to 18,325.72, 25,289.49 and 10,367.78

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Solution

The fourth proportional to 18,325.72, 25,289.49 and 10,367.78 is: 14,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.72 : 25,289.49 = 10,367.78 : x
  2. Step 2: Convert to fraction form
    18,325.72/25,289.49 = 10,367.78/x
  3. Step 3: Cross multiply
    18,325.72x = 25,289.49 × 10,367.78
  4. Step 4: Simplify right side
    18,325.72x = 262,195,868.63
  5. Step 5: Solve for x
    x = 262,195,868.63/18,325.72
  6. Step 6: Final answer
    x = 14,307.54

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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.