Home / 14,175.75-21,264.53-4,315.76

Finding the Fourth Proportional to 14,175.75, 21,264.53 and 4,315.76

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Solution

The fourth proportional to 14,175.75, 21,264.53 and 4,315.76 is: 6,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.75 : 21,264.53 = 4,315.76 : x
  2. Step 2: Convert to fraction form
    14,175.75/21,264.53 = 4,315.76/x
  3. Step 3: Cross multiply
    14,175.75x = 21,264.53 × 4,315.76
  4. Step 4: Simplify right side
    14,175.75x = 91,772,480.09
  5. Step 5: Solve for x
    x = 91,772,480.09/14,175.75
  6. Step 6: Final answer
    x = 6,473.91

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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.