Home / 15,187.53-22,778.55-4,091.66

Finding the Fourth Proportional to 15,187.53, 22,778.55 and 4,091.66

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Solution

The fourth proportional to 15,187.53, 22,778.55 and 4,091.66 is: 6,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.53 : 22,778.55 = 4,091.66 : x
  2. Step 2: Convert to fraction form
    15,187.53/22,778.55 = 4,091.66/x
  3. Step 3: Cross multiply
    15,187.53x = 22,778.55 × 4,091.66
  4. Step 4: Simplify right side
    15,187.53x = 93,201,968.00
  5. Step 5: Solve for x
    x = 93,201,968.00/15,187.53
  6. Step 6: Final answer
    x = 6,136.74

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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.