Home / 17,180.28-23,710.74-9,628.64

Finding the Fourth Proportional to 17,180.28, 23,710.74 and 9,628.64

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Solution

The fourth proportional to 17,180.28, 23,710.74 and 9,628.64 is: 13,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.28 : 23,710.74 = 9,628.64 : x
  2. Step 2: Convert to fraction form
    17,180.28/23,710.74 = 9,628.64/x
  3. Step 3: Cross multiply
    17,180.28x = 23,710.74 × 9,628.64
  4. Step 4: Simplify right side
    17,180.28x = 228,302,179.59
  5. Step 5: Solve for x
    x = 228,302,179.59/17,180.28
  6. Step 6: Final answer
    x = 13,288.62

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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.