Home / 36,808.72-55,213.96-13,435.12

Finding the Fourth Proportional to 36,808.72, 55,213.96 and 13,435.12

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Solution

The fourth proportional to 36,808.72, 55,213.96 and 13,435.12 is: 20,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.72 : 55,213.96 = 13,435.12 : x
  2. Step 2: Convert to fraction form
    36,808.72/55,213.96 = 13,435.12/x
  3. Step 3: Cross multiply
    36,808.72x = 55,213.96 × 13,435.12
  4. Step 4: Simplify right side
    36,808.72x = 741,806,178.28
  5. Step 5: Solve for x
    x = 741,806,178.28/36,808.72
  6. Step 6: Final answer
    x = 20,153.00

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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.