Home / 14,801.09-20,424.66-8,085.38

Finding the Fourth Proportional to 14,801.09, 20,424.66 and 8,085.38

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Solution

The fourth proportional to 14,801.09, 20,424.66 and 8,085.38 is: 11,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.09 : 20,424.66 = 8,085.38 : x
  2. Step 2: Convert to fraction form
    14,801.09/20,424.66 = 8,085.38/x
  3. Step 3: Cross multiply
    14,801.09x = 20,424.66 × 8,085.38
  4. Step 4: Simplify right side
    14,801.09x = 165,141,035.35
  5. Step 5: Solve for x
    x = 165,141,035.35/14,801.09
  6. Step 6: Final answer
    x = 11,157.36

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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.