Home / 14,175.72-21,263.78-4,941.72

Finding the Fourth Proportional to 14,175.72, 21,263.78 and 4,941.72

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Solution

The fourth proportional to 14,175.72, 21,263.78 and 4,941.72 is: 7,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.72 : 21,263.78 = 4,941.72 : x
  2. Step 2: Convert to fraction form
    14,175.72/21,263.78 = 4,941.72/x
  3. Step 3: Cross multiply
    14,175.72x = 21,263.78 × 4,941.72
  4. Step 4: Simplify right side
    14,175.72x = 105,079,646.90
  5. Step 5: Solve for x
    x = 105,079,646.90/14,175.72
  6. Step 6: Final answer
    x = 7,412.65

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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.