Home / 14,157.96-21,232.08-5,395.38

Finding the Fourth Proportional to 14,157.96, 21,232.08 and 5,395.38

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Solution

The fourth proportional to 14,157.96, 21,232.08 and 5,395.38 is: 8,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.96 : 21,232.08 = 5,395.38 : x
  2. Step 2: Convert to fraction form
    14,157.96/21,232.08 = 5,395.38/x
  3. Step 3: Cross multiply
    14,157.96x = 21,232.08 × 5,395.38
  4. Step 4: Simplify right side
    14,157.96x = 114,555,139.79
  5. Step 5: Solve for x
    x = 114,555,139.79/14,157.96
  6. Step 6: Final answer
    x = 8,091.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.