Home / 16,520.63-22,797.56-9,351.38

Finding the Fourth Proportional to 16,520.63, 22,797.56 and 9,351.38

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Solution

The fourth proportional to 16,520.63, 22,797.56 and 9,351.38 is: 12,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.63 : 22,797.56 = 9,351.38 : x
  2. Step 2: Convert to fraction form
    16,520.63/22,797.56 = 9,351.38/x
  3. Step 3: Cross multiply
    16,520.63x = 22,797.56 × 9,351.38
  4. Step 4: Simplify right side
    16,520.63x = 213,188,727.01
  5. Step 5: Solve for x
    x = 213,188,727.01/16,520.63
  6. Step 6: Final answer
    x = 12,904.40

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Double scale
Find fourth proportional to 16,521.63, 22,798.94 and 9,352.38
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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.