Home / 22,671.12-31,284.83-12,598.98

Finding the Fourth Proportional to 22,671.12, 31,284.83 and 12,598.98

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Solution

The fourth proportional to 22,671.12, 31,284.83 and 12,598.98 is: 17,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.12 : 31,284.83 = 12,598.98 : x
  2. Step 2: Convert to fraction form
    22,671.12/31,284.83 = 12,598.98/x
  3. Step 3: Cross multiply
    22,671.12x = 31,284.83 × 12,598.98
  4. Step 4: Simplify right side
    22,671.12x = 394,156,861.65
  5. Step 5: Solve for x
    x = 394,156,861.65/22,671.12
  6. Step 6: Final answer
    x = 17,385.85

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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.