Home / 17,455.40-26,180.64-9,132.68

Finding the Fourth Proportional to 17,455.40, 26,180.64 and 9,132.68

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Solution

The fourth proportional to 17,455.40, 26,180.64 and 9,132.68 is: 13,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.40 : 26,180.64 = 9,132.68 : x
  2. Step 2: Convert to fraction form
    17,455.40/26,180.64 = 9,132.68/x
  3. Step 3: Cross multiply
    17,455.40x = 26,180.64 × 9,132.68
  4. Step 4: Simplify right side
    17,455.40x = 239,099,407.32
  5. Step 5: Solve for x
    x = 239,099,407.32/17,455.40
  6. Step 6: Final answer
    x = 13,697.73

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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.