Home / 16,695.72-23,012.10-13,327.74

Finding the Fourth Proportional to 16,695.72, 23,012.10 and 13,327.74

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Solution

The fourth proportional to 16,695.72, 23,012.10 and 13,327.74 is: 18,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.72 : 23,012.10 = 13,327.74 : x
  2. Step 2: Convert to fraction form
    16,695.72/23,012.10 = 13,327.74/x
  3. Step 3: Cross multiply
    16,695.72x = 23,012.10 × 13,327.74
  4. Step 4: Simplify right side
    16,695.72x = 306,699,285.65
  5. Step 5: Solve for x
    x = 306,699,285.65/16,695.72
  6. Step 6: Final answer
    x = 18,369.93

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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.