Home / 14,609.36-20,156.09-8,235.16

Finding the Fourth Proportional to 14,609.36, 20,156.09 and 8,235.16

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Solution

The fourth proportional to 14,609.36, 20,156.09 and 8,235.16 is: 11,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.36 : 20,156.09 = 8,235.16 : x
  2. Step 2: Convert to fraction form
    14,609.36/20,156.09 = 8,235.16/x
  3. Step 3: Cross multiply
    14,609.36x = 20,156.09 × 8,235.16
  4. Step 4: Simplify right side
    14,609.36x = 165,988,534.56
  5. Step 5: Solve for x
    x = 165,988,534.56/14,609.36
  6. Step 6: Final answer
    x = 11,361.79

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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.