Home / 14,643.36-20,198.64-9,607.92

Finding the Fourth Proportional to 14,643.36, 20,198.64 and 9,607.92

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Solution

The fourth proportional to 14,643.36, 20,198.64 and 9,607.92 is: 13,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.36 : 20,198.64 = 9,607.92 : x
  2. Step 2: Convert to fraction form
    14,643.36/20,198.64 = 9,607.92/x
  3. Step 3: Cross multiply
    14,643.36x = 20,198.64 × 9,607.92
  4. Step 4: Simplify right side
    14,643.36x = 194,066,917.23
  5. Step 5: Solve for x
    x = 194,066,917.23/14,643.36
  6. Step 6: Final answer
    x = 13,252.90

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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.