Home / 15,455.08-23,146.56-11,284.74

Finding the Fourth Proportional to 15,455.08, 23,146.56 and 11,284.74

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Solution

The fourth proportional to 15,455.08, 23,146.56 and 11,284.74 is: 16,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.08 : 23,146.56 = 11,284.74 : x
  2. Step 2: Convert to fraction form
    15,455.08/23,146.56 = 11,284.74/x
  3. Step 3: Cross multiply
    15,455.08x = 23,146.56 × 11,284.74
  4. Step 4: Simplify right side
    15,455.08x = 261,202,911.49
  5. Step 5: Solve for x
    x = 261,202,911.49/15,455.08
  6. Step 6: Final answer
    x = 16,900.78

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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.