Home / 14,178.12-21,262.86-4,941.96

Finding the Fourth Proportional to 14,178.12, 21,262.86 and 4,941.96

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Solution

The fourth proportional to 14,178.12, 21,262.86 and 4,941.96 is: 7,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.12 : 21,262.86 = 4,941.96 : x
  2. Step 2: Convert to fraction form
    14,178.12/21,262.86 = 4,941.96/x
  3. Step 3: Cross multiply
    14,178.12x = 21,262.86 × 4,941.96
  4. Step 4: Simplify right side
    14,178.12x = 105,080,203.61
  5. Step 5: Solve for x
    x = 105,080,203.61/14,178.12
  6. Step 6: Final answer
    x = 7,411.43

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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.