Home / 14,915.12-22,375.53-5,051.76

Finding the Fourth Proportional to 14,915.12, 22,375.53 and 5,051.76

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Solution

The fourth proportional to 14,915.12, 22,375.53 and 5,051.76 is: 7,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.12 : 22,375.53 = 5,051.76 : x
  2. Step 2: Convert to fraction form
    14,915.12/22,375.53 = 5,051.76/x
  3. Step 3: Cross multiply
    14,915.12x = 22,375.53 × 5,051.76
  4. Step 4: Simplify right side
    14,915.12x = 113,035,807.43
  5. Step 5: Solve for x
    x = 113,035,807.43/14,915.12
  6. Step 6: Final answer
    x = 7,578.61

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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.