Home / 16,934.40-23,367.69-9,380.55

Finding the Fourth Proportional to 16,934.40, 23,367.69 and 9,380.55

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Solution

The fourth proportional to 16,934.40, 23,367.69 and 9,380.55 is: 12,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.40 : 23,367.69 = 9,380.55 : x
  2. Step 2: Convert to fraction form
    16,934.40/23,367.69 = 9,380.55/x
  3. Step 3: Cross multiply
    16,934.40x = 23,367.69 × 9,380.55
  4. Step 4: Simplify right side
    16,934.40x = 219,201,784.43
  5. Step 5: Solve for x
    x = 219,201,784.43/16,934.40
  6. Step 6: Final answer
    x = 12,944.17

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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.