Home / 22,603.20-33,904.80-12,105.60

Finding the Fourth Proportional to 22,603.20, 33,904.80 and 12,105.60

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Solution

The fourth proportional to 22,603.20, 33,904.80 and 12,105.60 is: 18,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603.20 : 33,904.80 = 12,105.60 : x
  2. Step 2: Convert to fraction form
    22,603.20/33,904.80 = 12,105.60/x
  3. Step 3: Cross multiply
    22,603.20x = 33,904.80 × 12,105.60
  4. Step 4: Simplify right side
    22,603.20x = 410,437,946.88
  5. Step 5: Solve for x
    x = 410,437,946.88/22,603.20
  6. Step 6: Final answer
    x = 18,158.40

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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.