Home / 23,603.20-35,404.80-13,105.60

Finding the Fourth Proportional to 23,603.20, 35,404.80 and 13,105.60

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Solution

The fourth proportional to 23,603.20, 35,404.80 and 13,105.60 is: 19,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.20 : 35,404.80 = 13,105.60 : x
  2. Step 2: Convert to fraction form
    23,603.20/35,404.80 = 13,105.60/x
  3. Step 3: Cross multiply
    23,603.20x = 35,404.80 × 13,105.60
  4. Step 4: Simplify right side
    23,603.20x = 464,001,146.88
  5. Step 5: Solve for x
    x = 464,001,146.88/23,603.20
  6. Step 6: Final answer
    x = 19,658.40

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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.