Home / 17,023.60-25,535.40-7,789.60

Finding the Fourth Proportional to 17,023.60, 25,535.40 and 7,789.60

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Solution

The fourth proportional to 17,023.60, 25,535.40 and 7,789.60 is: 11,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.60 : 25,535.40 = 7,789.60 : x
  2. Step 2: Convert to fraction form
    17,023.60/25,535.40 = 7,789.60/x
  3. Step 3: Cross multiply
    17,023.60x = 25,535.40 × 7,789.60
  4. Step 4: Simplify right side
    17,023.60x = 198,910,551.84
  5. Step 5: Solve for x
    x = 198,910,551.84/17,023.60
  6. Step 6: Final answer
    x = 11,684.40

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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.