Home / 16,215.90-22,379.67-14,660.70

Finding the Fourth Proportional to 16,215.90, 22,379.67 and 14,660.70

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Solution

The fourth proportional to 16,215.90, 22,379.67 and 14,660.70 is: 20,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.90 : 22,379.67 = 14,660.70 : x
  2. Step 2: Convert to fraction form
    16,215.90/22,379.67 = 14,660.70/x
  3. Step 3: Cross multiply
    16,215.90x = 22,379.67 × 14,660.70
  4. Step 4: Simplify right side
    16,215.90x = 328,101,627.97
  5. Step 5: Solve for x
    x = 328,101,627.97/16,215.90
  6. Step 6: Final answer
    x = 20,233.33

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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.