Home / 12,915.01-19,360.66-5,022.77

Finding the Fourth Proportional to 12,915.01, 19,360.66 and 5,022.77

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Solution

The fourth proportional to 12,915.01, 19,360.66 and 5,022.77 is: 7,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915.01 : 19,360.66 = 5,022.77 : x
  2. Step 2: Convert to fraction form
    12,915.01/19,360.66 = 5,022.77/x
  3. Step 3: Cross multiply
    12,915.01x = 19,360.66 × 5,022.77
  4. Step 4: Simplify right side
    12,915.01x = 97,244,142.23
  5. Step 5: Solve for x
    x = 97,244,142.23/12,915.01
  6. Step 6: Final answer
    x = 7,529.54

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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.