Home / 18,325.12-25,287.28-10,367.86

Finding the Fourth Proportional to 18,325.12, 25,287.28 and 10,367.86

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Solution

The fourth proportional to 18,325.12, 25,287.28 and 10,367.86 is: 14,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.12 : 25,287.28 = 10,367.86 : x
  2. Step 2: Convert to fraction form
    18,325.12/25,287.28 = 10,367.86/x
  3. Step 3: Cross multiply
    18,325.12x = 25,287.28 × 10,367.86
  4. Step 4: Simplify right side
    18,325.12x = 262,174,978.82
  5. Step 5: Solve for x
    x = 262,174,978.82/18,325.12
  6. Step 6: Final answer
    x = 14,306.86

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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.