Home / 15,991.20-23,998.14-5,603.04

Finding the Fourth Proportional to 15,991.20, 23,998.14 and 5,603.04

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Solution

The fourth proportional to 15,991.20, 23,998.14 and 5,603.04 is: 8,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.20 : 23,998.14 = 5,603.04 : x
  2. Step 2: Convert to fraction form
    15,991.20/23,998.14 = 5,603.04/x
  3. Step 3: Cross multiply
    15,991.20x = 23,998.14 × 5,603.04
  4. Step 4: Simplify right side
    15,991.20x = 134,462,538.35
  5. Step 5: Solve for x
    x = 134,462,538.35/15,991.20
  6. Step 6: Final answer
    x = 8,408.53

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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.