Home / 15,603.12-23,399.82-5,212.44

Finding the Fourth Proportional to 15,603.12, 23,399.82 and 5,212.44

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Solution

The fourth proportional to 15,603.12, 23,399.82 and 5,212.44 is: 7,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.12 : 23,399.82 = 5,212.44 : x
  2. Step 2: Convert to fraction form
    15,603.12/23,399.82 = 5,212.44/x
  3. Step 3: Cross multiply
    15,603.12x = 23,399.82 × 5,212.44
  4. Step 4: Simplify right side
    15,603.12x = 121,970,131.70
  5. Step 5: Solve for x
    x = 121,970,131.70/15,603.12
  6. Step 6: Final answer
    x = 7,817.03

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1.5x scale

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.