Home / 14,080.64-19,408.08-9,993.85

Finding the Fourth Proportional to 14,080.64, 19,408.08 and 9,993.85

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Solution

The fourth proportional to 14,080.64, 19,408.08 and 9,993.85 is: 13,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.64 : 19,408.08 = 9,993.85 : x
  2. Step 2: Convert to fraction form
    14,080.64/19,408.08 = 9,993.85/x
  3. Step 3: Cross multiply
    14,080.64x = 19,408.08 × 9,993.85
  4. Step 4: Simplify right side
    14,080.64x = 193,961,415.32
  5. Step 5: Solve for x
    x = 193,961,415.32/14,080.64
  6. Step 6: Final answer
    x = 13,775.05

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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.