Home / 16,133.20-22,272.64-9,760.88

Finding the Fourth Proportional to 16,133.20, 22,272.64 and 9,760.88

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Solution

The fourth proportional to 16,133.20, 22,272.64 and 9,760.88 is: 13,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,133.20 : 22,272.64 = 9,760.88 : x
  2. Step 2: Convert to fraction form
    16,133.20/22,272.64 = 9,760.88/x
  3. Step 3: Cross multiply
    16,133.20x = 22,272.64 × 9,760.88
  4. Step 4: Simplify right side
    16,133.20x = 217,400,566.32
  5. Step 5: Solve for x
    x = 217,400,566.32/16,133.20
  6. Step 6: Final answer
    x = 13,475.35

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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.