Home / 22,271.12-30,733.05-12,199.60

Finding the Fourth Proportional to 22,271.12, 30,733.05 and 12,199.60

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Solution

The fourth proportional to 22,271.12, 30,733.05 and 12,199.60 is: 16,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.12 : 30,733.05 = 12,199.60 : x
  2. Step 2: Convert to fraction form
    22,271.12/30,733.05 = 12,199.60/x
  3. Step 3: Cross multiply
    22,271.12x = 30,733.05 × 12,199.60
  4. Step 4: Simplify right side
    22,271.12x = 374,930,909.45
  5. Step 5: Solve for x
    x = 374,930,909.45/22,271.12
  6. Step 6: Final answer
    x = 16,834.85

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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.