Home / 22,311.06-33,421.02-12,455.60

Finding the Fourth Proportional to 22,311.06, 33,421.02 and 12,455.60

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Solution

The fourth proportional to 22,311.06, 33,421.02 and 12,455.60 is: 18,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.06 : 33,421.02 = 12,455.60 : x
  2. Step 2: Convert to fraction form
    22,311.06/33,421.02 = 12,455.60/x
  3. Step 3: Cross multiply
    22,311.06x = 33,421.02 × 12,455.60
  4. Step 4: Simplify right side
    22,311.06x = 416,278,689.61
  5. Step 5: Solve for x
    x = 416,278,689.61/22,311.06
  6. Step 6: Final answer
    x = 18,657.95

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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.