Home / 19,258.20-28,896.90-10,944.60

Finding the Fourth Proportional to 19,258.20, 28,896.90 and 10,944.60

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Solution

The fourth proportional to 19,258.20, 28,896.90 and 10,944.60 is: 16,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.20 : 28,896.90 = 10,944.60 : x
  2. Step 2: Convert to fraction form
    19,258.20/28,896.90 = 10,944.60/x
  3. Step 3: Cross multiply
    19,258.20x = 28,896.90 × 10,944.60
  4. Step 4: Simplify right side
    19,258.20x = 316,265,011.74
  5. Step 5: Solve for x
    x = 316,265,011.74/19,258.20
  6. Step 6: Final answer
    x = 16,422.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.