Home / 16,711.20-23,060.88-9,636.64

Finding the Fourth Proportional to 16,711.20, 23,060.88 and 9,636.64

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Solution

The fourth proportional to 16,711.20, 23,060.88 and 9,636.64 is: 13,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.20 : 23,060.88 = 9,636.64 : x
  2. Step 2: Convert to fraction form
    16,711.20/23,060.88 = 9,636.64/x
  3. Step 3: Cross multiply
    16,711.20x = 23,060.88 × 9,636.64
  4. Step 4: Simplify right side
    16,711.20x = 222,229,398.64
  5. Step 5: Solve for x
    x = 222,229,398.64/16,711.20
  6. Step 6: Final answer
    x = 13,298.23

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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.