Home / 13,603.11-20,404.41-5,596.12

Finding the Fourth Proportional to 13,603.11, 20,404.41 and 5,596.12

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Solution

The fourth proportional to 13,603.11, 20,404.41 and 5,596.12 is: 8,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.11 : 20,404.41 = 5,596.12 : x
  2. Step 2: Convert to fraction form
    13,603.11/20,404.41 = 5,596.12/x
  3. Step 3: Cross multiply
    13,603.11x = 20,404.41 × 5,596.12
  4. Step 4: Simplify right side
    13,603.11x = 114,185,526.89
  5. Step 5: Solve for x
    x = 114,185,526.89/13,603.11
  6. Step 6: Final answer
    x = 8,394.08

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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.