Home / 16,872.09-23,270.90-14,960.15

Finding the Fourth Proportional to 16,872.09, 23,270.90 and 14,960.15

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Solution

The fourth proportional to 16,872.09, 23,270.90 and 14,960.15 is: 20,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.09 : 23,270.90 = 14,960.15 : x
  2. Step 2: Convert to fraction form
    16,872.09/23,270.90 = 14,960.15/x
  3. Step 3: Cross multiply
    16,872.09x = 23,270.90 × 14,960.15
  4. Step 4: Simplify right side
    16,872.09x = 348,136,050.75
  5. Step 5: Solve for x
    x = 348,136,050.75/16,872.09
  6. Step 6: Final answer
    x = 20,633.85

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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.