Home / 17,855.50-24,630.33-11,137.90

Finding the Fourth Proportional to 17,855.50, 24,630.33 and 11,137.90

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Solution

The fourth proportional to 17,855.50, 24,630.33 and 11,137.90 is: 15,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.50 : 24,630.33 = 11,137.90 : x
  2. Step 2: Convert to fraction form
    17,855.50/24,630.33 = 11,137.90/x
  3. Step 3: Cross multiply
    17,855.50x = 24,630.33 × 11,137.90
  4. Step 4: Simplify right side
    17,855.50x = 274,330,152.51
  5. Step 5: Solve for x
    x = 274,330,152.51/17,855.50
  6. Step 6: Final answer
    x = 15,363.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.