Home / 13,910.08-20,864.48-4,049.12

Finding the Fourth Proportional to 13,910.08, 20,864.48 and 4,049.12

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Solution

The fourth proportional to 13,910.08, 20,864.48 and 4,049.12 is: 6,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.08 : 20,864.48 = 4,049.12 : x
  2. Step 2: Convert to fraction form
    13,910.08/20,864.48 = 4,049.12/x
  3. Step 3: Cross multiply
    13,910.08x = 20,864.48 × 4,049.12
  4. Step 4: Simplify right side
    13,910.08x = 84,482,783.26
  5. Step 5: Solve for x
    x = 84,482,783.26/13,910.08
  6. Step 6: Final answer
    x = 6,073.49

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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.