Home / 15,771.18-23,656.77-5,383.02

Finding the Fourth Proportional to 15,771.18, 23,656.77 and 5,383.02

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Solution

The fourth proportional to 15,771.18, 23,656.77 and 5,383.02 is: 8,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.18 : 23,656.77 = 5,383.02 : x
  2. Step 2: Convert to fraction form
    15,771.18/23,656.77 = 5,383.02/x
  3. Step 3: Cross multiply
    15,771.18x = 23,656.77 × 5,383.02
  4. Step 4: Simplify right side
    15,771.18x = 127,344,866.05
  5. Step 5: Solve for x
    x = 127,344,866.05/15,771.18
  6. Step 6: Final answer
    x = 8,074.53

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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.