Home / 14,514.65-20,038.44-11,105.25

Finding the Fourth Proportional to 14,514.65, 20,038.44 and 11,105.25

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Solution

The fourth proportional to 14,514.65, 20,038.44 and 11,105.25 is: 15,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.65 : 20,038.44 = 11,105.25 : x
  2. Step 2: Convert to fraction form
    14,514.65/20,038.44 = 11,105.25/x
  3. Step 3: Cross multiply
    14,514.65x = 20,038.44 × 11,105.25
  4. Step 4: Simplify right side
    14,514.65x = 222,531,885.81
  5. Step 5: Solve for x
    x = 222,531,885.81/14,514.65
  6. Step 6: Final answer
    x = 15,331.54

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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.