Home / 16,990.90-23,469.87-14,167.51

Finding the Fourth Proportional to 16,990.90, 23,469.87 and 14,167.51

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Solution

The fourth proportional to 16,990.90, 23,469.87 and 14,167.51 is: 19,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.90 : 23,469.87 = 14,167.51 : x
  2. Step 2: Convert to fraction form
    16,990.90/23,469.87 = 14,167.51/x
  3. Step 3: Cross multiply
    16,990.90x = 23,469.87 × 14,167.51
  4. Step 4: Simplify right side
    16,990.90x = 332,509,617.92
  5. Step 5: Solve for x
    x = 332,509,617.92/16,990.90
  6. Step 6: Final answer
    x = 19,569.86

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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.