Home / 15,546.54-23,314.76-5,155.50

Finding the Fourth Proportional to 15,546.54, 23,314.76 and 5,155.50

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Solution

The fourth proportional to 15,546.54, 23,314.76 and 5,155.50 is: 7,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.54 : 23,314.76 = 5,155.50 : x
  2. Step 2: Convert to fraction form
    15,546.54/23,314.76 = 5,155.50/x
  3. Step 3: Cross multiply
    15,546.54x = 23,314.76 × 5,155.50
  4. Step 4: Simplify right side
    15,546.54x = 120,199,245.18
  5. Step 5: Solve for x
    x = 120,199,245.18/15,546.54
  6. Step 6: Final answer
    x = 7,731.58

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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.