Home / 23,143.86-34,771.21-14,840.15

Finding the Fourth Proportional to 23,143.86, 34,771.21 and 14,840.15

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Solution

The fourth proportional to 23,143.86, 34,771.21 and 14,840.15 is: 22,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.86 : 34,771.21 = 14,840.15 : x
  2. Step 2: Convert to fraction form
    23,143.86/34,771.21 = 14,840.15/x
  3. Step 3: Cross multiply
    23,143.86x = 34,771.21 × 14,840.15
  4. Step 4: Simplify right side
    23,143.86x = 516,009,761.13
  5. Step 5: Solve for x
    x = 516,009,761.13/23,143.86
  6. Step 6: Final answer
    x = 22,295.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.