Home / 14,091.53-19,445.09-8,123.65

Finding the Fourth Proportional to 14,091.53, 19,445.09 and 8,123.65

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Solution

The fourth proportional to 14,091.53, 19,445.09 and 8,123.65 is: 11,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.53 : 19,445.09 = 8,123.65 : x
  2. Step 2: Convert to fraction form
    14,091.53/19,445.09 = 8,123.65/x
  3. Step 3: Cross multiply
    14,091.53x = 19,445.09 × 8,123.65
  4. Step 4: Simplify right side
    14,091.53x = 157,965,016.15
  5. Step 5: Solve for x
    x = 157,965,016.15/14,091.53
  6. Step 6: Final answer
    x = 11,209.93

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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.