Home / 23,379.12-32,251.20-15,825.72

Finding the Fourth Proportional to 23,379.12, 32,251.20 and 15,825.72

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Solution

The fourth proportional to 23,379.12, 32,251.20 and 15,825.72 is: 21,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.12 : 32,251.20 = 15,825.72 : x
  2. Step 2: Convert to fraction form
    23,379.12/32,251.20 = 15,825.72/x
  3. Step 3: Cross multiply
    23,379.12x = 32,251.20 × 15,825.72
  4. Step 4: Simplify right side
    23,379.12x = 510,398,460.86
  5. Step 5: Solve for x
    x = 510,398,460.86/23,379.12
  6. Step 6: Final answer
    x = 21,831.38

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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.