Home / 16,128.66-24,170.30-12,827.10

Finding the Fourth Proportional to 16,128.66, 24,170.30 and 12,827.10

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Solution

The fourth proportional to 16,128.66, 24,170.30 and 12,827.10 is: 19,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.66 : 24,170.30 = 12,827.10 : x
  2. Step 2: Convert to fraction form
    16,128.66/24,170.30 = 12,827.10/x
  3. Step 3: Cross multiply
    16,128.66x = 24,170.30 × 12,827.10
  4. Step 4: Simplify right side
    16,128.66x = 310,034,855.13
  5. Step 5: Solve for x
    x = 310,034,855.13/16,128.66
  6. Step 6: Final answer
    x = 19,222.60

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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.